APA (7th ed.) Citation

Singels, H. (1977). V.l.n.r: ?, de Jong, Roolvink.

Chicago Style (17th ed.) Citation

Singels, Han. V.l.n.r: ?, De Jong, Roolvink. 1977.

MLA (8th ed.) Citation

Singels, Han. V.l.n.r: ?, De Jong, Roolvink. 1977.

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