APA (7th ed.) Citation

PC, F., DD, K., JH, S., & PE, M. (1997). Homocysteine: A new risk factor for atherosclerosis. American family physician, 56(6), 1607.

Chicago Style (17th ed.) Citation

PC, Fallest-Strobl, Koch DD, Stein JH, and McBride PE. "Homocysteine: A New Risk Factor for Atherosclerosis." American Family Physician 56, no. 6 (1997): 1607.

MLA (9th ed.) Citation

PC, Fallest-Strobl, et al. "Homocysteine: A New Risk Factor for Atherosclerosis." American Family Physician, vol. 56, no. 6, 1997, p. 1607.