APA (7th ed.) Citation

Wickel, J., Wickel-Elenbaas, A., & Crok, E. (1953). Langematspringen. Rotterdam: KNGV.

Chicago Style (17th ed.) Citation

Wickel, J.H, A. Wickel-Elenbaas, and E.A Crok. Langematspringen. Rotterdam: KNGV, 1953.

MLA (8th ed.) Citation

Wickel, J.H, et al. Langematspringen. Rotterdam: KNGV, 1953.