APA (7e ed.) Bronvermelding
Mansfield, A. (1963). Seals of arctic and eastern Canada: Illustr. by the author.
Chicago (17e ed.) Bronvermelding
Mansfield, A.W. Seals of Arctic and Eastern Canada: Illustr. by the Author. Ottawa, 1963.
MLA (9e ed.) Bronvermelding
Mansfield, A.W. Seals of Arctic and Eastern Canada: Illustr. by the Author. 1963.
Let op: Deze citaties zijn niet altijd 100% accuraat.