APA-referens (7:e uppl.)

Kanis, J., Russell, G., & Smith, R. (1977). Physiological and therapeutic differences between vitamin D, its metabolites and analogues.

Chicago-referens (17:e uppl.)

Kanis, J., G. Russell, och R. Smith. Physiological and Therapeutic Differences Between Vitamin D, Its Metabolites and Analogues. 1977.

MLA-referens (9:e uppl.)

Kanis, J., et al. Physiological and Therapeutic Differences Between Vitamin D, Its Metabolites and Analogues. 1977.