APA
National Research Council. Washington. Subcommittee on Swine Nutrition, . (1987). Vitamin tolerance of animals. Washington, D. C: National Academy.
Chicago
National Research Council. Washington. Subcommittee on Swine Nutrition, . 1987. Vitamin tolerance of animals. Washington, D. C: National Academy.
Harvard
National Research Council. Washington. Subcommittee on Swine Nutrition, . (1987). Vitamin tolerance of animals. Washington, D. C: National Academy.
MLA
National Research Council. Washington. Subcommittee on Swine Nutrition, . Vitamin tolerance of animals. Washington, D. C: National Academy. 1987.