Kaufman, P. E., Koehler, P. G., & Butler, J. F. (2006). External Parasites of Sheep and Goats. The University of Florida George A. Smathers Libraries.
芝加哥风格引文Kaufman, Phillip E., Philip G. Koehler, 与 Jerry F. Butler. External Parasites of Sheep and Goats. The University of Florida George A. Smathers Libraries, 2006.
MLA引文Kaufman, Phillip E., et al. External Parasites of Sheep and Goats. The University of Florida George A. Smathers Libraries, 2006.
警告：这些引文格式不一定是100％准确.