Cita APA

Pringle, R. W. 1., & Coffman, L. D. (1922). Adolescence and high-school problems. Boston: D. C. Heath.

Citación estilo Chicago

Pringle, Ralph W. 1865-, y Lotus D. Coffman. Adolescence and High-school Problems. Boston: D. C. Heath, 1922.

Cita MLA

Pringle, Ralph W. 1865-, y Lotus D. Coffman. Adolescence and High-school Problems. Boston: D. C. Heath, 1922.