Citazione Stile APA (7a Edizione)

Egan, G. (1970). Encounter; group processes for interpersonal growth. Brooks/Cole Pub. Co..

Citazione stile Chigago Style (17a edizione)

Egan, Gerard. Encounter; Group Processes for Interpersonal Growth. Belmont, Calif.: Brooks/Cole Pub. Co., 1970.

Citatione MLA (8a ed.)

Egan, Gerard. Encounter; Group Processes for Interpersonal Growth. Brooks/Cole Pub. Co., 1970.