APA (7th ed.) Citation

ScienceDirect (Online service), McCormick, D. B., & Wright, L. D. (1970). Vitamins and coenzymes. Academic Press.

Chicago Style (17th ed.) Citation

ScienceDirect (Online service), Donald B. McCormick, and Lemuel D. Wright. Vitamins and Coenzymes. London: Academic Press, 1970.

MLA (9th ed.) Citation

ScienceDirect (Online service), et al. Vitamins and Coenzymes. Academic Press, 1970.