Cita APA (7a ed.)

Abbagnano, N. (1969). Critical existentialism. Anchor Books.

Cita Chicago Style (17a ed.)

Abbagnano, Nicola. Critical Existentialism. New York, Estados Unidos: Anchor Books, 1969.

Cita MLA (9a ed.)

Abbagnano, Nicola. Critical Existentialism. Anchor Books, 1969.