Παραπομπή APA

Van Blaricom,G R, VanBlaricom, G. R., & Estes, J. A. (1988). The Community ecology of sea otters. Springer-Verlag.

Παραπομπή Chicago Style

Van Blaricom,G R, G. R. VanBlaricom, και J. A. Estes. The Community Ecology of Sea Otters. Berlin ; New York: Springer-Verlag, 1988.

Παραπομπή MLA

Van Blaricom,G R, et al. The Community Ecology of Sea Otters. Springer-Verlag, 1988.