APA (7th ed.) Citation

Ralston Purina Company. (1990). Canine caloric requirements: A veterinarian's guide to feeding recommendations. Ralston Purina.

Chicago Style (17th ed.) Citation

Ralston Purina Company. Canine Caloric Requirements: A Veterinarian's Guide to Feeding Recommendations. St. Louis, MO: Ralston Purina, 1990.

MLA (9th ed.) Citation

Ralston Purina Company. Canine Caloric Requirements: A Veterinarian's Guide to Feeding Recommendations. Ralston Purina, 1990.