APA (7th ed.) Citation

Macnamee, M., Wick, K., Rainsbury, P., Sathanandan, M., Brinsden, P., & Edwards, R. G. (1990). How robust are early human embryos? Lancet, 336(8715), 636. https://doi.org/10.1016/0140-6736(90)93440-z

Chicago Style (17th ed.) Citation

Macnamee, M., K. Wick, P. Rainsbury, M. Sathanandan, P. Brinsden, and R G. Edwards. "How Robust Are Early Human Embryos?" Lancet 336, no. 8715 (1990): 636. https://doi.org/10.1016/0140-6736(90)93440-z.

MLA (9th ed.) Citation

Macnamee, M., et al. "How Robust Are Early Human Embryos?" Lancet, vol. 336, no. 8715, 1990, p. 636, https://doi.org/10.1016/0140-6736(90)93440-z.