APA (7th ed.) Citation

Astor, J. J. (1894). A journey in other worlds: A romance of the future. Appleton.

Chicago Style (17th ed.) Citation

Astor, John Jacob. A Journey in Other Worlds: A Romance of the Future. New York: Appleton, 1894.

MLA (9th ed.) Citation

Astor, John Jacob. A Journey in Other Worlds: A Romance of the Future. Appleton, 1894.