Cita APA (7th ed.)

ebrary, Inc, Lerner, V., & Miodownik, C. (2012). Vitamin D deficiency. Nova Science.

Cita Chicago (17th ed.)

ebrary, Inc, Vladimir Lerner, i Chanoch Miodownik. Vitamin D Deficiency. Hauppauge, N.Y.: Nova Science, 2012.

Cita MLA (9th ed.)

ebrary, Inc, et al. Vitamin D Deficiency. Nova Science, 2012.