APA (7th ed.) Citation

Giordano, G. M., & Gallo, P. G. (2012). Headaches: Causes, Treatment, and Prevention.

Chicago Style (17th ed.) Citation

Giordano, Giovanna M., and Pietro G. Gallo. Headaches: Causes, Treatment, and Prevention. 2012.

MLA (9th ed.) Citation

Giordano, Giovanna M., and Pietro G. Gallo. Headaches: Causes, Treatment, and Prevention. 2012.

Warning: These citations may not always be 100% accurate.