APA (7th ed.) Citation

Ward, F. K. (1930). Plant hunting on the edge of the world. Victor Gollancz.

Chicago Style (17th ed.) Citation

Ward, F. Kingdon. Plant Hunting on the Edge of the World. London: Victor Gollancz, 1930.

MLA (9th ed.) Citation

Ward, F. Kingdon. Plant Hunting on the Edge of the World. Victor Gollancz, 1930.

Warning: These citations may not always be 100% accurate.