Cita APA (7th ed.)

Walschap, G. (1963). Marriage, Ordeal. Sythoff.

Cita Chicago (17th ed.)

Walschap, Gerard. Marriage, Ordeal. Leyden: Sythoff, 1963.

Cita MLA (9th ed.)

Walschap, Gerard. Marriage, Ordeal. Sythoff, 1963.