APA (7th ed.) Citation

Hale, E. E. (1878). Back to back: A story of to-day. Harper.

Chicago Style (17th ed.) Citation

Hale, Edward Everett. Back to Back: A Story of To-day. New York: Harper, 1878.

MLA (8th ed.) Citation

Hale, Edward Everett. Back to Back: A Story of To-day. Harper, 1878.