Stewart, R. E. A., & Brooks, R. J. (1977). Perianal Pouches of Male Brown Lemmings, Lemmus trimucronatus, and a Technique for Determining the Reproductive Status of Live Animals. Journal of Mammalogy, 58(2), 173.
Chicago Style (17th ed.) CitationStewart, R. E. A., and R. J. Brooks. "Perianal Pouches of Male Brown Lemmings, Lemmus Trimucronatus, and a Technique for Determining the Reproductive Status of Live Animals." Journal of Mammalogy 58, no. 2 (1977): 173.
MLA (9th ed.) CitationStewart, R. E. A., and R. J. Brooks. "Perianal Pouches of Male Brown Lemmings, Lemmus Trimucronatus, and a Technique for Determining the Reproductive Status of Live Animals." Journal of Mammalogy, vol. 58, no. 2, 1977, p. 173.
Warning: These citations may not always be 100% accurate.