APA (7th ed.) Citation

Boswell, J., Johnson, S., & Kronenberger, L. (1955). The Portable Johnson & Boswell. Viking Press.

Chicago Style (17th ed.) Citation

Boswell, James, Samuel Johnson, and Louis Kronenberger. The Portable Johnson & Boswell. New York: Viking Press, 1955.

MLA (8th ed.) Citation

Boswell, James, et al. The Portable Johnson & Boswell. Viking Press, 1955.