Citazione Stile APA (7a Edizione)

Tolbert, E. M. (1959). Introduction to counseling. McGraw-Hill.

Citazione stile Chigago Style (17a edizione)

Tolbert, E. M. Introduction to Counseling. Nueva York: McGraw-Hill, 1959.

Citatione MLA (9a ed.)

Tolbert, E. M. Introduction to Counseling. McGraw-Hill, 1959.