APA (7th ed.) Citation

Singels, H. V.l.n.r. Wolters, Wertheim, Schenk.

Chicago Style (17th ed.) Citation

Singels, Han. V.l.n.r. Wolters, Wertheim, Schenk.

MLA (8th ed.) Citation

Singels, Han. V.l.n.r. Wolters, Wertheim, Schenk.

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