APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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.

MLA (8th ed.) Citation

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