APA (7th ed.) Citation

ScienceDirect (Online service) & Gerald, L. (2014). Nitric oxide. Elsevier.

Chicago Style (17th ed.) Citation

ScienceDirect (Online service) and Litwack Gerald. Nitric Oxide. Waltham, Massachusetts: Elsevier, 2014.

MLA (9th ed.) Citation

ScienceDirect (Online service) and Litwack Gerald. Nitric Oxide. Elsevier, 2014.

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