APA (7th ed.) Citation

Falco, D. D., Ingravallo, G., & Petruzzi, M. Frog Egg Tongue. American College of Physicians.

Chicago Style (17th ed.) Citation

Falco, Domenico De, Giuseppe Ingravallo, and Massimo Petruzzi. Frog Egg Tongue. American College of Physicians.

MLA (9th ed.) Citation

Falco, Domenico De, et al. Frog Egg Tongue. American College of Physicians.