Cita APA

Beard, C. A. 1., & Beard, C. A. 1. America in midpassage.

Citación estilo Chicago

Beard, Charles Austin 1874-1948, y Charles Austin 1874-1948 Beard. America in Midpassage.

Cita MLA

Beard, Charles Austin 1874-1948, y Charles Austin 1874-1948 Beard. America in Midpassage.