Citazione Stile APA (7a Edizione)

Engelkes, J. R., & Vandergoot, D. (1982). Introduction to counseling. Houghton Mifflin.

Citazione stile Chigago Style (17a edizione)

Engelkes, James R., e David Vandergoot. Introduction to Counseling. Boston: Houghton Mifflin, 1982.

Citatione MLA (9a ed.)

Engelkes, James R., e David Vandergoot. Introduction to Counseling. Houghton Mifflin, 1982.