Holder, C. F. (1905). Half hours with the lower animals, protozoans, sponges, corals, shells, insects, and crustaceans. American Book Co..
Chicago Style (17th ed.) CitationHolder, Charles Frederick. Half Hours with the Lower Animals, Protozoans, Sponges, Corals, Shells, Insects, and Crustaceans. New York: American Book Co., 1905.
MLA (8th ed.) CitationHolder, Charles Frederick. Half Hours with the Lower Animals, Protozoans, Sponges, Corals, Shells, Insects, and Crustaceans. American Book Co., 1905.
Warning: These citations may not always be 100% accurate.