Cita APA (7th ed.)

Craig James R. (1986). Methods of Psychological research (2nd ed.). Cole Publ. Co..

Cita Chicago (17th ed.)

Craig James R. Methods of Psychological Research. 2nd ed. California: Cole Publ. Co., 1986.

Cita MLA (9th ed.)

Craig James R. Methods of Psychological Research. 2nd ed. Cole Publ. Co., 1986.