Citazione Stile APA (7a Edizione)

Yalden, D. W. The history of British birds. Oxford University Press.

Citazione stile Chigago Style (17a edizione)

Yalden, D. W. The History of British Birds. Oxford University Press.

Citatione MLA (8a ed.)

Yalden, D. W. The History of British Birds. Oxford University Press.