APA Citatie

Pérez, E., Müller, E., Soderquist, L., Rodrigues Martínez, H., & Chacón, J. (1999). Breeding soundness evaluation of extensively managed bulls in Costa Rica.

Chicago Style citaat

Pérez, E., E. Müller, L. Soderquist, H. Rodrigues Martínez, en Jorge Chacón. Breeding Soundness Evaluation of Extensively Managed Bulls in Costa Rica. 1999.

MLA citatie

Pérez, E., et al. Breeding Soundness Evaluation of Extensively Managed Bulls in Costa Rica. 1999.