Cita APA (7a ed.)

Freund, P. A. (1970). Experimentation with human subjects (1. pr.). Braziller.

Cita Chicago Style (17a ed.)

Freund, Paul Abraham. Experimentation with Human Subjects. 1. pr. New York: Braziller, 1970.

Cita MLA (9a ed.)

Freund, Paul Abraham. Experimentation with Human Subjects. 1. pr. Braziller, 1970.