Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (8th ed.)

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