D, B., DW, P., V, L., & IH, B. (1994). Body composition of male and female Labrador retriever puppies at 20 wk of age. The Journal of nutrition, 124(12 Suppl), 2624S. https://doi.org/10.1093/jn/124.suppl_12.2624S
Chicago Style (17th ed.) CitationD, Booles, Poore DW, Legrand-Defretin V, and Burger IH. "Body Composition of Male and Female Labrador Retriever Puppies at 20 Wk of Age." The Journal of Nutrition 124, no. 12 Suppl (1994): 2624S. https://doi.org/10.1093/jn/124.suppl_12.2624S.
MLA (9th ed.) CitationD, Booles, et al. "Body Composition of Male and Female Labrador Retriever Puppies at 20 Wk of Age." The Journal of Nutrition, vol. 124, no. 12 Suppl, 1994, p. 2624S, https://doi.org/10.1093/jn/124.suppl_12.2624S.
Warning: These citations may not always be 100% accurate.