Cita APA

Schmidt, A. G., Ellard, G., Sullivan Leo D., & Boecher, E. J. (1950). Guidance. Loyola University Press.

Citación estilo Chicago

Schmidt, Austin Guilford, Gerald Ellard, Sullivan Leo D., and Edward J. Boecher. Guidance. Chicago: Loyola University Press, 1950.

Cita MLA

Schmidt, Austin Guilford, et al. Guidance. Loyola University Press, 1950.