APA (7th ed.) Citation

Rafferty, J. P., & Heintz, K. (2020). Learn about human embryonic and fetal development, from fertilization to birth. Encyclopedia Britannica.

Chicago Style (17th ed.) Citation

Rafferty, John P., and Kurt Heintz. Learn About Human Embryonic and Fetal Development, from Fertilization to Birth. Chicago, IL: Encyclopedia Britannica, 2020.

MLA (9th ed.) Citation

Rafferty, John P., and Kurt Heintz. Learn About Human Embryonic and Fetal Development, from Fertilization to Birth. Encyclopedia Britannica, 2020.