APA (7th ed.) Citation

Harper, G. M. (1921). Notes on infantry tactics and training (2a. ed.). Sifton.

Chicago Style (17th ed.) Citation

Harper, G. M. Notes on Infantry Tactics and Training. 2a. ed. Londres: Sifton, 1921.

MLA (9th ed.) Citation

Harper, G. M. Notes on Infantry Tactics and Training. 2a. ed. Sifton, 1921.