APA (7th ed.) Citation

Blad, J. R., & Hulsman, L. (19). Liber amicorum Louk Hulsman.

Chicago Style (17th ed.) Citation

Blad, John R., and Louk Hulsman. Liber Amicorum Louk Hulsman. Rotterdam, 19.

MLA (9th ed.) Citation

Blad, John R., and Louk Hulsman. Liber Amicorum Louk Hulsman. 19.

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