APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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

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