APA (7th ed.) Citation

United States. Animal and Plant Health Inspection Service, Animal Welfare Institute, & Leavitt, E. S. (1990). Animals and their legal rights: A survey of American laws from 1641 to 1990 (Fourth edition.). Animal Welfare Institute.

Chicago Style (17th ed.) Citation

United States. Animal and Plant Health Inspection Service, Animal Welfare Institute, and Emily Stewart Leavitt. Animals and Their Legal Rights: A Survey of American Laws from 1641 to 1990. Fourth edition. Washington, D.C.: Animal Welfare Institute, 1990.

MLA (9th ed.) Citation

United States. Animal and Plant Health Inspection Service, et al. Animals and Their Legal Rights: A Survey of American Laws from 1641 to 1990. Fourth edition. Animal Welfare Institute, 1990.