Cita APA (7a ed.)

Strang, R. M., & Morris, G. (1971). Guidance in the classroom. MacMillan [etc.].

Cita Chicago Style (17a ed.)

Strang, Ruth May, y Glyn Morris. Guidance in the Classroom. New York [etc.]: MacMillan [etc.], 1971.

Cita MLA (9a ed.)

Strang, Ruth May, y Glyn Morris. Guidance in the Classroom. MacMillan [etc.], 1971.