APA (7th ed.) Citation

Hutchinson, H. D., & Pearson, R. F. (1916). Military sketching made easy and military maps explained (7th ed.). Gale & Polden, Ltd.; [etc., etc.].

Chicago Style (17th ed.) Citation

Hutchinson, H. D., and R. F. Pearson. Military Sketching Made Easy and Military Maps Explained. 7th ed. London: Gale & Polden, Ltd.; [etc., etc.], 1916.

MLA (9th ed.) Citation

Hutchinson, H. D., and R. F. Pearson. Military Sketching Made Easy and Military Maps Explained. 7th ed. Gale & Polden, Ltd.; [etc., etc.], 1916.