APA (7th ed.) Citation

Montgomery, R. A. (1984). Trouble on planet earth. Bantam Books.

Chicago Style (17th ed.) Citation

Montgomery, R. A. Trouble on Planet Earth. Toronto ; New York: Bantam Books, 1984.

MLA (9th ed.) Citation

Montgomery, R. A. Trouble on Planet Earth. Bantam Books, 1984.

Warning: These citations may not always be 100% accurate.