Two prefaces

MLA

Whitman, Walt, et al. Two prefaces. First edition. Garden City, New York : Doubleday, Page & Company, 1926.

APA

Whitman, W., Morley, C., Doubleday, P. & Walt Whitman Collection (University of Pennsylvania). (1926). Two prefaces. First edition. Garden City, New York : Doubleday, Page & Company.

Chicago

Whitman, Walt, Christopher Morley, Page & Company Doubleday and Walt Whitman Collection (University of Pennsylvania). Two prefaces. First edition. Garden City, New York : Doubleday, Page & Company, 1926.