Charter and by-laws of the Athenæum of Philadelphia : to which are added a list of the directors, stockholders and annual visitors, and of persons who have presented to, or deposited at the athenæum, books, maps, medals, &c. : together with a catalogue of the books, maps, &c. belonging to the institution.
MLA
Athenaeum of Philadelphia. Charter and by-laws of the Athenæum of Philadelphia : to which are added a list of the directors, stockholders and annual visitors, and of persons who have presented to, or deposited at the athenæum, books, maps, medals, &c. : together with a catalogue of the books, maps, &c. belonging to the institution. Philadelphia : Printed by S. Roberts, 1820.
APA
Athenaeum of Philadelphia. (1820). Charter and by-laws of the Athenæum of Philadelphia : to which are added a list of the directors, stockholders and annual visitors, and of persons who have presented to, or deposited at the athenæum, books, maps, medals, &c. : together with a catalogue of the books, maps, &c. belonging to the institution. Philadelphia : Printed by S. Roberts.
Chicago
Athenaeum of Philadelphia. Charter and by-laws of the Athenæum of Philadelphia : to which are added a list of the directors, stockholders and annual visitors, and of persons who have presented to, or deposited at the athenæum, books, maps, medals, &c. : together with a catalogue of the books, maps, &c. belonging to the institution. Philadelphia : Printed by S. Roberts, 1820.