Não informado. (1881). Bulletin of the United States Fish Commission, Department of Commerce. U.S. Department of Commerce.
Citação do estilo Chicago (17ª ed.)Não informado. Bulletin of the United States Fish Commission, Department of Commerce. Washington: U.S. Department of Commerce, 1881.
Citação MLA (8ª ed.)Não informado. Bulletin of the United States Fish Commission, Department of Commerce. U.S. Department of Commerce, 1881.
Atenció: Aquestes cites poden no estar 100% correctes.