APA (7th ed.) Citation

Lessof, M. H., Youlten, L. J. F., Heavey, D., Kemeny, D. M., & Dollery, C. (1989). Correspondence. Clinical & Experimental Allergy, 19(2), 231.

Chicago Style (17th ed.) Citation

Lessof, M. H., L. J. F. Youlten, D. Heavey, D. M. Kemeny, and C. Dollery. "Correspondence." Clinical & Experimental Allergy 19, no. 2 (1989): 231.

MLA (9th ed.) Citation

Lessof, M. H., et al. "Correspondence." Clinical & Experimental Allergy, vol. 19, no. 2, 1989, p. 231.