APA (7th ed.) Citation

Singels, H. (1979). V.r.n.l: Van Houwelingen, de Boer, ?

Chicago Style (17th ed.) Citation

Singels, Han. V.r.n.l: Van Houwelingen, De Boer, ? 1979.

MLA (8th ed.) Citation

Singels, Han. V.r.n.l: Van Houwelingen, De Boer, ? 1979.

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