APA (7th ed.) Citation

SpringerLink (Online service), Engin, A., & Engin, A. B. (2015). Tryptophan Metabolism: Implications for Biological Processes, Health and Disease. Springer International Publishing : Imprint: Humana Press.

Chicago Style (17th ed.) Citation

SpringerLink (Online service), Atilla Engin, and Ayse Basak Engin. Tryptophan Metabolism: Implications for Biological Processes, Health and Disease. Cham: Springer International Publishing : Imprint: Humana Press, 2015.

MLA (8th ed.) Citation

SpringerLink (Online service), et al. Tryptophan Metabolism: Implications for Biological Processes, Health and Disease. Springer International Publishing : Imprint: Humana Press, 2015.

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