APA aipamena

Olsen, L. C., Aasland, R., Wittwer, C. U., Krokan, H. E., & Helland, D. E. (1989). Molecular cloning of human uracil-DNA glycosylase, a highly conserved DNA repair enzyme.

Chicago Style aipamena

Olsen, L C., R. Aasland, C U. Wittwer, H E. Krokan, and D E. Helland. Molecular Cloning of Human Uracil-DNA Glycosylase, a Highly Conserved DNA Repair Enzyme. 1989.

MLA aipamena

Olsen, L C., et al. Molecular Cloning of Human Uracil-DNA Glycosylase, a Highly Conserved DNA Repair Enzyme. 1989.