APA ציטוט

Fitter, R. (1967). The Penguin dictionary of british natural history. Penguin Books.

Chicago Style (17th ed.) Citation

Fitter, Richard. The Penguin Dictionary of British Natural History. Londres: Penguin Books, 1967.

ציטוט MLA

Fitter, Richard. The Penguin Dictionary of British Natural History. Penguin Books, 1967.