Tonn, R. J., kohls, G. M., & Arnold, K. (1963). Ectoparasites of birds and mammals of Costa Rica 2. Ticks. Universidad de Costa Rica.
Chicago Style CitationTonn, Robert J., Glen M. kohls, and Keith Arnold. Ectoparasites of Birds and Mammals of Costa Rica 2. Ticks. Universidad de Costa Rica, 1963.
MLA CitationTonn, Robert J., Glen M. kohls, and Keith Arnold. Ectoparasites of Birds and Mammals of Costa Rica 2. Ticks. Universidad de Costa Rica, 1963.
Warning: These citations may not always be 100% accurate.