APA (7th ed.) Citation

Petri, H. L. (1991). Motivation : theory, research, and applications / Herbert L. Petri: Theory, research, and applications (3rd ed.). Wadsworth Pub. Co.

Chicago Style (17th ed.) Citation

Petri, Herbert L. Motivation : Theory, Research, and Applications / Herbert L. Petri: Theory, Research, and Applications. 3rd ed. Belmont, Calif.: Wadsworth Pub. Co, 1991.

MLA (9th ed.) Citation

Petri, Herbert L. Motivation : Theory, Research, and Applications / Herbert L. Petri: Theory, Research, and Applications. 3rd ed. Wadsworth Pub. Co, 1991.

Warning: These citations may not always be 100% accurate.