APA (7th ed.) Citation

Maes, R. A. A., Oellerich, M., & Enders, P. W. (1985). Theophylline profile. VCH-Verl.-Ges.

Chicago Style (17th ed.) Citation

Maes, Robert A. A., Michael Oellerich, and Peter W. Enders. Theophylline Profile. Weinheim: VCH-Verl.-Ges, 1985.

MLA (9th ed.) Citation

Maes, Robert A. A., et al. Theophylline Profile. VCH-Verl.-Ges, 1985.