Cita APA (7a ed.)

Haardt, R., & Hendry, J. (1971). Gnosis: Character and Testimony. E.J.Brill.

Cita Chicago Style (17a ed.)

Haardt, Robert, y J.F Hendry. Gnosis: Character and Testimony. Leiden: E.J.Brill, 1971.

Cita MLA (9a ed.)

Haardt, Robert, y J.F Hendry. Gnosis: Character and Testimony. E.J.Brill, 1971.