توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Oppermann, U., Maser, E., Hermans, J., Koolman, J., & Netter, K. (1992). Homologies between enzymes involved in steroid and xenobiotic carbonyl reduction in vertebrates, invertebrates and procaryonts.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Oppermann, U., E. Maser, J. Hermans, J. Koolman, و K. Netter. Homologies Between Enzymes Involved in Steroid and Xenobiotic Carbonyl Reduction in Vertebrates, Invertebrates and Procaryonts. 1992.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

Oppermann, U., et al. Homologies Between Enzymes Involved in Steroid and Xenobiotic Carbonyl Reduction in Vertebrates, Invertebrates and Procaryonts. 1992.