Cita APA (7a ed.)

Estados Unidos. Department of Agriculture. Animal and Plant Health Inspection Service. (1980). List of intercepted plant pests: Pests recorded from october 1, 1977 through september 30, 1978. USDA.

Cita Chicago Style (17a ed.)

Estados Unidos. Department of Agriculture. Animal and Plant Health Inspection Service. List of Intercepted Plant Pests: Pests Recorded from October 1, 1977 Through September 30, 1978. Hyattsville: USDA, 1980.

Cita MLA (8a ed.)

Estados Unidos. Department of Agriculture. Animal and Plant Health Inspection Service. List of Intercepted Plant Pests: Pests Recorded from October 1, 1977 Through September 30, 1978. USDA, 1980.