APA Citation

Voegtlin, D. J., & Voegtlin, D. J. A guide to the winged aphids (Homoptera) of Costa Rica.

Chicago Style Citation

Voegtlin, David J., and David J. Voegtlin. A Guide to the Winged Aphids (Homoptera) of Costa Rica.

MLA Citation

Voegtlin, David J., and David J. Voegtlin. A Guide to the Winged Aphids (Homoptera) of Costa Rica.

Warning: These citations may not always be 100% accurate.