APA (7th ed.) Citation

Edgson & Gwynne-Jones. (1968). First aid and nursing for your dog. Popular Dogs.

Chicago Style (17th ed.) Citation

Edgson and Gwynne-Jones. First Aid and Nursing for Your Dog. London: Popular Dogs, 1968.

MLA (8th ed.) Citation

Edgson and Gwynne-Jones. First Aid and Nursing for Your Dog. Popular Dogs, 1968.