Cita APA (7th ed.)
ebrary, Inc, Feldman, D., Pike, J. W., & Adams, J. S. (2011). Vitamin D (3rd ed.). Elsevier/Academic Press.
Cita Chicago (17th ed.)
ebrary, Inc, David Feldman, J. Wesley Pike, i John S. Adams. Vitamin D. 3rd ed. Amsterdam ; Boston: Elsevier/Academic Press, 2011.
Cita MLA (9th ed.)
ebrary, Inc, et al. Vitamin D. 3rd ed. Elsevier/Academic Press, 2011.
Atenció: Aquestes cites poden no estar 100% correctes.