Thirty years of nature photography;
a personal record of two observers,
by Seton Gordon. Illustrated in collotype from 108 photographs taken by the author and his wife.

APA Citation

Gordon, S. Paul. (1936). Thirty years of nature photography: a personal record of two observers. London [etc.]: Cassell & company ltd.

MLA Citation

Gordon, Seton Paul, 1886-. Thirty Years of Nature Photography: a Personal Record of Two Observers. London [etc.]: Cassell & company ltd, 1936.

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