APA (7th ed.) Citation

Gjertz, I., Wiig, Ø., & Lydersen, C. (2008). Distribution and diving of harbour seals (Phoca vitulina) in Svalbard. Norwegian Polar Institute.

Chicago Style (17th ed.) Citation

Gjertz, Ian, Øystein Wiig, and Christian Lydersen. Distribution and Diving of Harbour Seals (Phoca Vitulina) in Svalbard. Norwegian Polar Institute, 2008.

MLA (9th ed.) Citation

Gjertz, Ian, et al. Distribution and Diving of Harbour Seals (Phoca Vitulina) in Svalbard. Norwegian Polar Institute, 2008.