Cita APA

Beard, C. A. 1., & Beard, C. A. 1. (1930). Toward civilization. London, Sydney: Longmans, Green.

Citación estilo Chicago

Beard, Charles Austin 1874-1948, y Charles Austin 1874-1948 Beard. Toward Civilization. London, Sydney: Longmans, Green, 1930.

Cita MLA

Beard, Charles Austin 1874-1948, y Charles Austin 1874-1948 Beard. Toward Civilization. London, Sydney: Longmans, Green, 1930.