APA (7th ed.) Citation

Niekerk, G. v., Isaacs, A. W., Nell, T., & Engelbrecht, A. Sickness-Associated Anorexia: Mother Nature’s Idea of Immunonutrition? Wiley.

Chicago Style (17th ed.) Citation

Niekerk, Gustav van, Ashwin W. Isaacs, Theo Nell, and Anna-Mart Engelbrecht. Sickness-Associated Anorexia: Mother Nature’s Idea of Immunonutrition? Wiley.

MLA (9th ed.) Citation

Niekerk, Gustav van, et al. Sickness-Associated Anorexia: Mother Nature’s Idea of Immunonutrition? Wiley.