MLA

Kraak, Albert, and W. G Klooster. Syntaxis. Culemborg: Stam-Kemperman, 1968.

APA

Kraak, A., & Klooster, W. G. (1968). Syntaxis. Culemborg: Stam-Kemperman.

Chicago

Kraak, Albert, and W. G Klooster. Syntaxis. Culemborg: Stam-Kemperman, 1968.