Citazione APA

Allee, W. C., & ...[et al.]. (1951). Principles of animal ecology. Saunders company.

Stile di citazione Chicago

Allee, W. C., e ...[et al.]. Principles of Animal Ecology. London: Saunders company, 1951.

Citazione MLA

Allee, W. C., e ...[et al.]. Principles of Animal Ecology. Saunders company, 1951.