Humphreys, M. E., & Humphreys M, . (2001). Biography of "Walter Reed," and entry on "Yellow Fever". In M. Rothenberg (Ed.), The History of Science in the United States: An Encyclopedia. New York: N.Y.: Garland Publishing Inc.

Humphreys, M. E., and M. E. Humphreys M. “Biography of "Walter Reed," and entry on "Yellow Fever".” In The History of Science in the United States: An Encyclopedia, edited by Marc Rothenberg. New York: N.Y.: Garland Publishing Inc, 2001.

Humphreys ME, Humphreys M. Biography of "Walter Reed," and entry on "Yellow Fever". In: Rothenberg M, editor. The History of Science in the United States: An Encyclopedia. New York: N.Y.: Garland Publishing Inc; 2001.

Humphreys, M. E., and M. E. Humphreys M. “Biography of "Walter Reed," and entry on "Yellow Fever".” The History of Science in the United States: An Encyclopedia, edited by Marc Rothenberg, New York: N.Y.: Garland Publishing Inc, 2001.

Humphreys ME, Humphreys M. Biography of "Walter Reed," and entry on "Yellow Fever". In: Rothenberg M, editor. The History of Science in the United States: An Encyclopedia. New York: N.Y.: Garland Publishing Inc; 2001.