Cita APA

Keats, J. 1., & Keats, J. 1. (1963). They fought alone. Philadelphia: J. B. Lippincott.

Citación estilo Chicago

Keats, John 1920-, y John 1920- Keats. They Fought Alone. Philadelphia: J. B. Lippincott, 1963.

Cita MLA

Keats, John 1920-, y John 1920- Keats. They Fought Alone. Philadelphia: J. B. Lippincott, 1963.