Cita APA

Betts, E. A., Frost, B., Jupo, F., McGee, M., Polgreen, J., & Robertson, M. (1950). Adventures now and then. American Book Company.

Citación estilo Chicago

Betts, Emmett A., Bruno Frost, Frank Jupo, Millard McGee, John Polgreen, and Maurice Robertson. Adventures Now and Then. New York : Cincinnati : Chicago : Boston : Atlanta : Dallas : San Francisco: American Book Company, 1950.

Cita MLA

Betts, Emmett A., et al. Adventures Now and Then. American Book Company, 1950.