Janzen, D. H.. "11. Insects". Costa Rican Natural History, edited by Daniel H. Janzen, Chicago: University of Chicago Press, 1983, pp. 619-780. https://doi.org/10.7208/9780226161204-013
Janzen, D. (1983). 11. Insects. In D. Janzen (Ed.), Costa Rican Natural History (pp. 619-780). Chicago: University of Chicago Press. https://doi.org/10.7208/9780226161204-013
Janzen, D. 1983. 11. Insects. In: Janzen, D. ed. Costa Rican Natural History. Chicago: University of Chicago Press, pp. 619-780. https://doi.org/10.7208/9780226161204-013
Janzen, D. H.. "11. Insects" In Costa Rican Natural History edited by Daniel H. Janzen, 619-780. Chicago: University of Chicago Press, 1983. https://doi.org/10.7208/9780226161204-013
Janzen D. 11. Insects. In: Janzen D (ed.) Costa Rican Natural History. Chicago: University of Chicago Press; 1983. p.619-780. https://doi.org/10.7208/9780226161204-013