APA (7th ed.) Citation

Lincoln, A., Stearn, G. E., & Fried, A. (1962). The essential Lincoln. Collier Books.

Chicago Style (17th ed.) Citation

Lincoln, Abraham, Gerald Emanuel Stearn, and Albert Fried. The Essential Lincoln. N.Y.: Collier Books, 1962.

MLA (8th ed.) Citation

Lincoln, Abraham, et al. The Essential Lincoln. Collier Books, 1962.