APA aipamena

Upcroft, J. A., Healey, A., Mitchell, R., Boreham, P. F., & Upcroft, P. (1990). Antigen expression from the ribosomal DNA repeat unit of Giardia intestinalis.

Chicago Style aipamena

Upcroft, J A., A. Healey, R. Mitchell, P F. Boreham, and P. Upcroft. Antigen Expression From the Ribosomal DNA Repeat Unit of Giardia Intestinalis. 1990.

MLA aipamena

Upcroft, J A., et al. Antigen Expression From the Ribosomal DNA Repeat Unit of Giardia Intestinalis. 1990.