Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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