توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Pike, D. G., Víkingsson, G. A., Gunnlaugsson, T., & Øien, N. (2009, September). A note on the distribution and abundance of blue whales (<i>Balaenoptera musculus</i>) in the Central and Northeast North Atlantic. NAMMCO Scientific Publications.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Pike, Daniel G., Gísli A. Víkingsson, Thorvaldur Gunnlaugsson, و Nils Øien. "A Note on the Distribution and Abundance of Blue Whales (Balaenoptera Musculus) in the Central and Northeast North Atlantic." NAMMCO Scientific Publications Sep. 2009.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

Pike, Daniel G., et al. "A Note on the Distribution and Abundance of Blue Whales (Balaenoptera Musculus) in the Central and Northeast North Atlantic." NAMMCO Scientific Publications, Sep. 2009.