APA (7th ed.) Citation

ScienceDirect (Online service), Singh, A., & Williams, G. H. (2009). Textbook of nephro-endocrinology. Academic.

Chicago Style (17th ed.) Citation

ScienceDirect (Online service), Ajay Singh, and Gordon H. Williams. Textbook of Nephro-endocrinology. Amsterdam ; London: Academic, 2009.

MLA (9th ed.) Citation

ScienceDirect (Online service), et al. Textbook of Nephro-endocrinology. Academic, 2009.