APA (7th ed.) Citation

Nilssen, K. T., & Haug, T. (2007). Status of grey seals ( Halichoerus grypus ) in Norway. NAMMCO Scientific Publications, 6, 23.

Chicago Style (17th ed.) Citation

Nilssen, Kjell Tormod, and Tore Haug. "Status of Grey Seals ( Halichoerus Grypus ) in Norway." NAMMCO Scientific Publications 6 (2007): 23.

MLA (8th ed.) Citation

Nilssen, Kjell Tormod, and Tore Haug. "Status of Grey Seals ( Halichoerus Grypus ) in Norway." NAMMCO Scientific Publications, vol. 6, 2007, p. 23.