Watterson, R. L., & Sweeney, R. M. (1973). Laboratory studies of chick, pig, and frog embryos (3rd ed.). Burgess Pub.
Chicago Style (17th ed.) CitationWatterson, Ray L., and Robert M. Sweeney. Laboratory Studies of Chick, Pig, and Frog Embryos. 3rd ed. Minneapolis, Minnesota: Burgess Pub, 1973.
MLA (9th ed.) CitationWatterson, Ray L., and Robert M. Sweeney. Laboratory Studies of Chick, Pig, and Frog Embryos. 3rd ed. Burgess Pub, 1973.
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