Hartshorn, G. S.. "7. Plants". Costa Rican Natural History, edited by Daniel H. Janzen, Chicago: University of Chicago Press, 1983, pp. 118-350. https://doi.org/10.7208/9780226161204-009
Hartshorn, G. (1983). 7. Plants. In D. Janzen (Ed.), Costa Rican Natural History (pp. 118-350). Chicago: University of Chicago Press. https://doi.org/10.7208/9780226161204-009
Hartshorn, G. 1983. 7. Plants. In: Janzen, D. ed. Costa Rican Natural History. Chicago: University of Chicago Press, pp. 118-350. https://doi.org/10.7208/9780226161204-009
Hartshorn, G. S.. "7. Plants" In Costa Rican Natural History edited by Daniel H. Janzen, 118-350. Chicago: University of Chicago Press, 1983. https://doi.org/10.7208/9780226161204-009
Hartshorn G. 7. Plants. In: Janzen D (ed.) Costa Rican Natural History. Chicago: University of Chicago Press; 1983. p.118-350. https://doi.org/10.7208/9780226161204-009