APA (7th ed.) Citation

Krenitsky, T., Spector, T., & Hall, W. Xanthine oxidase from human liver: Purification and characterization. Elsevier.

Chicago Style (17th ed.) Citation

Krenitsky, T.A, T. Spector, and W.W Hall. Xanthine Oxidase from Human Liver: Purification and Characterization. Amsterdam: Elsevier.

MLA (9th ed.) Citation

Krenitsky, T.A, et al. Xanthine Oxidase from Human Liver: Purification and Characterization. Elsevier.