Dyfyniad APA

Wallace, A. R. (2023). The geographical distribution of animals. The Macmillan Company, London.

Dyfyniad Arddull Chicago

Wallace, Alfred Russel. The Geographical Distribution of Animals. The Macmillan Company, London, 2023.

Dyfyniad MLA

Wallace, Alfred Russel. The Geographical Distribution of Animals. The Macmillan Company, London, 2023.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.