Cita APA (7th ed.)

O'Connor, H. (1937). The Guggenheims; the making of an American dynasty. Covici, Friede.

Cita Chicago (17th ed.)

O'Connor, Harvey. The Guggenheims; the Making of an American Dynasty. New York: Covici, Friede, 1937.

Cita MLA (9th ed.)

O'Connor, Harvey. The Guggenheims; the Making of an American Dynasty. Covici, Friede, 1937.