Philadelphia, a guide to the nation's birthplace

MLA

Federal Writers' Project (Pa.) and Pennsylvania Historical Commission. Philadelphia, a guide to the nation's birthplace. 1st ed. [Philadelphia] : William Penn Association of Philadelphia, inc., 1937.

APA

Federal Writers' Project (Pa.) & Pennsylvania Historical Commission. (1937). Philadelphia, a guide to the nation's birthplace. 1st ed. [Philadelphia] : William Penn Association of Philadelphia, inc..

Chicago

Federal Writers' Project (Pa.) and Pennsylvania Historical Commission. Philadelphia, a guide to the nation's birthplace. 1st ed. [Philadelphia] : William Penn Association of Philadelphia, inc., 1937.