APA (7th ed.) Citation

Ruys, H. Serie van 21 foto's van diverse sprekers.

Chicago Style (17th ed.) Citation

Ruys, H.D. Serie Van 21 Foto's Van Diverse Sprekers.

MLA (8th ed.) Citation

Ruys, H.D. Serie Van 21 Foto's Van Diverse Sprekers.

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