APA-referens (7:e uppl.)

Modig, A. (1995). Social behavior and reproductive success in Southern elephant seal (Mirounga leonina). Dept. of Zoology, Stockholm University.

Chicago-referens (17:e uppl.)

Modig, Anders. Social Behavior and Reproductive Success in Southern Elephant Seal (Mirounga Leonina). Stockholm, Sweden: Dept. of Zoology, Stockholm University, 1995.

MLA-referens (8:e uppl.)

Modig, Anders. Social Behavior and Reproductive Success in Southern Elephant Seal (Mirounga Leonina). Dept. of Zoology, Stockholm University, 1995.