Citazione Stile APA (7a Edizione)

Berger, P. L. (1970). Invitation to Sociology: A Humanistic Perspective. Penguin Books.

Citazione stile Chigago Style (17a edizione)

Berger, Peter L. Invitation to Sociology: A Humanistic Perspective. Harmondsworth [u.a.]: Penguin Books, 1970.

Citatione MLA (8a ed.)

Berger, Peter L. Invitation to Sociology: A Humanistic Perspective. Penguin Books, 1970.