APA (7th ed.) Citation

Charteris, J. (1929). Field-Marshal Earl Haig. C. Scribner's sons.

Chicago Style (17th ed.) Citation

Charteris, John. Field-Marshal Earl Haig. New York: C. Scribner's sons, 1929.

MLA (9th ed.) Citation

Charteris, John. Field-Marshal Earl Haig. C. Scribner's sons, 1929.