The secrets of the eagle,
and other rare birds,
by H.A. Gilbert and Arthur Brook...with 30 photographs.

APA Citation

Gilbert, H. Adam., Brook, A. (1925). The secrets of the eagle: and other rare birds. London: Arrowsmith.

MLA Citation

Gilbert, Humphrey Adam, and Arthur Brook. The Secrets of the Eagle: And Other Rare Birds. London: Arrowsmith, 1925.

Warning: These citations may not always be complete (especially for serials).