APA (7th ed.) Citation

(1986). Koos Vorrink. Wolters-Noordhoff.

Chicago Style (17th ed.) Citation

Koos Vorrink. Wolters-Noordhoff, 1986.

MLA (8th ed.) Citation

Koos Vorrink. Wolters-Noordhoff, 1986.

Warning: These citations may not always be 100% accurate.