APA (7th ed.) Citation

Gips, C., Reitsema, A., & Wibbens-Alberts, M. Preservation of urine for ammonia determination with a direct method. Elsevier.

Chicago Style (17th ed.) Citation

Gips, C.H, A. Reitsema, and M. Wibbens-Alberts. Preservation of Urine for Ammonia Determination with a Direct Method. Amsterdam: Elsevier.

MLA (9th ed.) Citation

Gips, C.H, et al. Preservation of Urine for Ammonia Determination with a Direct Method. Elsevier.