APA (7th ed.) Citation

RA, F., SA, L., A, C., S, A., R, S., NJ, S., & MJ, S. (2011). What a difference an egg makes. Lancet, 378(9807), 1974. https://doi.org/10.1016/s0140-6736(11)61751-0

Chicago Style (17th ed.) Citation

RA, Fisher, Lavery SA, Carby A, Abu-Hayyeh S, Swingler R, Sebire NJ, and Seckl MJ. "What a Difference an Egg Makes." Lancet 378, no. 9807 (2011): 1974. https://doi.org/10.1016/s0140-6736(11)61751-0.

MLA (9th ed.) Citation

RA, Fisher, et al. "What a Difference an Egg Makes." Lancet, vol. 378, no. 9807, 2011, p. 1974, https://doi.org/10.1016/s0140-6736(11)61751-0.