Cita APA (7a ed.)

Crowley, J. D. (1965). Knowledge and freedom in Sidney Hook. Pontificia Universitas Gregoriana.

Cita Chicago Style (17a ed.)

Crowley, John D. Knowledge and Freedom in Sidney Hook. Romae: Pontificia Universitas Gregoriana, 1965.

Cita MLA (9a ed.)

Crowley, John D. Knowledge and Freedom in Sidney Hook. Pontificia Universitas Gregoriana, 1965.