APA (7th ed.) Citation

Johnson, S., Holman, B., Holman, W. R., & Holman, D. (1992). Dr. Samuel Johnson on friendship. Darlyne & Al Lowman.

Chicago Style (17th ed.) Citation

Johnson, Samuel, Barbara Holman, William Roger Holman, and David Holman. Dr. Samuel Johnson on Friendship. [Texas?]: Darlyne & Al Lowman, 1992.

MLA (9th ed.) Citation

Johnson, Samuel, et al. Dr. Samuel Johnson on Friendship. Darlyne & Al Lowman, 1992.