APA
International Centre of Insect Physiology and Ecology (Kenya), . (1991). Eighteenth annual report 1990. Nairobi, Kenya: International Centre of Insect Physiology and Ecology Science.
Chicago
International Centre of Insect Physiology and Ecology (Kenya), . 1991. Eighteenth annual report 1990. Nairobi, Kenya: International Centre of Insect Physiology and Ecology Science.
Harvard
International Centre of Insect Physiology and Ecology (Kenya), . (1991). Eighteenth annual report 1990. Nairobi, Kenya: International Centre of Insect Physiology and Ecology Science.
MLA
International Centre of Insect Physiology and Ecology (Kenya), . Eighteenth annual report 1990. Nairobi, Kenya: International Centre of Insect Physiology and Ecology Science. 1991.