Cita APA

Pappa, H. M., & Gordon, C. M. (2010). Supplements: When will vitamin D have its day in the sun?

Chicago Style Citation

Pappa, Helen M., i Catherine M. Gordon. Supplements: When Will Vitamin D Have Its Day in the Sun? 2010.

Cita MLA

Pappa, Helen M., i Catherine M. Gordon. Supplements: When Will Vitamin D Have Its Day in the Sun? 2010.