APA (7th ed.) Citation

LESSOF, M. H., LEE, T. H., & KEMENY, D. M. (1987). Allergy: An introductional textbook. Williams and Wilkins.

Chicago Style (17th ed.) Citation

LESSOF, M H., T H. LEE, and D M. KEMENY. Allergy: An Introductional Textbook. Baltimore: Williams and Wilkins, 1987.

MLA (9th ed.) Citation

LESSOF, M H., et al. Allergy: An Introductional Textbook. Williams and Wilkins, 1987.