APA (7th ed.) Citation

Magrane, W. G., & Helper, L. C. (1989). Magrane's canine ophthalmology (Fourth edition.). Lea & Febiger.

Chicago Style (17th ed.) Citation

Magrane, William G., and Lloyd C. Helper. Magrane's Canine Ophthalmology. Fourth edition. Philadelphia: Lea & Febiger, 1989.

MLA (9th ed.) Citation

Magrane, William G., and Lloyd C. Helper. Magrane's Canine Ophthalmology. Fourth edition. Lea & Febiger, 1989.