MLA

Crielaard, J. M, J Dequeker, and J. P Famaey. Osteoartrose. Brussel: Pfizer, 1985.

APA

Crielaard, J. M, Dequeker, J., & Famaey, J. P. (1985). Osteoartrose. Brussel: Pfizer.

Chicago

Crielaard, J. M., J Dequeker, and J. P Famaey. Osteoartrose. Brussel: Pfizer, 1985.