APA (7th ed.) Citation

Keyes, E. D. (1884). Fifty years' observation of men and events: Civil and military. Charles Scribner's Sons.

Chicago Style (17th ed.) Citation

Keyes, Erasmus D. Fifty Years' Observation of Men and Events: Civil and Military. New York: Charles Scribner's Sons, 1884.

MLA (9th ed.) Citation

Keyes, Erasmus D. Fifty Years' Observation of Men and Events: Civil and Military. Charles Scribner's Sons, 1884.