APA (7th ed.) Citation

Baroja, P., Fassett, J. S., & Phillips, F. L. (1920). Youth and egolatry. A. A. Knopf.

Chicago Style (17th ed.) Citation

Baroja, Pío, Jacob S. Fassett, and Frances L. Phillips. Youth and Egolatry. New York: A. A. Knopf, 1920.

MLA (9th ed.) Citation

Baroja, Pío, et al. Youth and Egolatry. A. A. Knopf, 1920.