Williams, J. F. (1980). Diagnosis of gastrointestinal parasitism in dogs and cats. [Saint Louis, Mo.]: [Ralston Purina Co.].
Chicago Style CitationWilliams, J. F. Diagnosis of Gastrointestinal Parasitism in Dogs and Cats. [Saint Louis, Mo.]: [Ralston Purina Co.], 1980.
MLA CitationWilliams, J. F. Diagnosis of Gastrointestinal Parasitism in Dogs and Cats. [Saint Louis, Mo.]: [Ralston Purina Co.], 1980.
Warning: These citations may not always be 100% accurate.