Cita APA (7a ed.)

Smith, A. (2002). Homocysteine, B vitamins, and cognitive deficit in the elderly.

Cita Chicago Style (17a ed.)

Smith, A. Homocysteine, B Vitamins, and Cognitive Deficit in the Elderly. 2002.

Cita MLA (9a ed.)

Smith, A. Homocysteine, B Vitamins, and Cognitive Deficit in the Elderly. 2002.