Não informado. (1881). Bulletin of the United States Fish Commission, Department of Commerce. U.S. Department of Commerce.
Chicago-Zitierstil (17. Ausg.)Não informado. Bulletin of the United States Fish Commission, Department of Commerce. Washington: U.S. Department of Commerce, 1881.
MLA-Zitierstil (8. Ausg.)Não informado. Bulletin of the United States Fish Commission, Department of Commerce. U.S. Department of Commerce, 1881.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.