APA (7th ed.) Citation

Roberts, C. G. D. (1904). The watchers of the trails: A book of animal life. L. C. Page & company.

Chicago Style (17th ed.) Citation

Roberts, Charles G. D. The Watchers of the Trails: A Book of Animal Life. Boston: L. C. Page & company, 1904.

MLA (8th ed.) Citation

Roberts, Charles G. D. The Watchers of the Trails: A Book of Animal Life. L. C. Page & company, 1904.

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