APA (7th ed.) Citation

Smits, H., & Meer, C. (2013). Vitamin D: Daily Requirements, Dietary Sources and Symptoms of Deficiency.

Chicago Style (17th ed.) Citation

Smits, Hendrik, and Cobus Meer. Vitamin D: Daily Requirements, Dietary Sources and Symptoms of Deficiency. 2013.

MLA (9th ed.) Citation

Smits, Hendrik, and Cobus Meer. Vitamin D: Daily Requirements, Dietary Sources and Symptoms of Deficiency. 2013.

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