APA

Bramwell M., . (1974). The World Atlas of birds. London: Mitchell Beazley publishers.

Chicago

Bramwell Martyn, . 1974. The World Atlas of birds. London: Mitchell Beazley publishers.

Harvard

Bramwell M., . (1974). The World Atlas of birds. London: Mitchell Beazley publishers.

MLA

Bramwell Martyn, . The World Atlas of birds. London: Mitchell Beazley publishers. 1974.