Cita APA (7a ed.)

Davis, F. G., & Davis, B. C. (1928). Guidance for youth: A textbook. Ginn and Co..

Cita Chicago Style (17a ed.)

Davis, Frank Garfield, y Bess Carnall Davis. Guidance for Youth: A Textbook. Boston : New York [etc.]: Ginn and Co., 1928.

Cita MLA (8a ed.)

Davis, Frank Garfield, y Bess Carnall Davis. Guidance for Youth: A Textbook. Ginn and Co., 1928.