APA Citatie

Burns, R. T., Daugherty, A. S., Easter, J. P., Layton, A. C., Mullen, M. D., Raman, D. R., . . . Williams, E. L. Estrogen content of dairy and swine wastes.

Chicago Style citaat

Burns, Robert T., Adam S. Daugherty, James P. Easter, Alice C. Layton, Michael D. Mullen, D. Raj Raman, Gary S. Sayler, en Elizabeth L. Williams. Estrogen Content of Dairy and Swine Wastes.

MLA citatie

Burns, Robert T., et al. Estrogen Content of Dairy and Swine Wastes.