Citazione APA

E.G.C Clarke, Myra L Clarke, & W E Watson. (1957). Veterinary toxicology. Chapman and Hall.

Stile di citazione Chicago

E.G.C Clarke, Myra L Clarke, e W E Watson. Veterinary Toxicology. Chapman and Hall, 1957.

Citazione MLA

E.G.C Clarke, et al. Veterinary Toxicology. Chapman and Hall, 1957.