APA (7th ed.) Citation

Royer, T. A., Drew, M. C., Edelson, J. V., Frisbie, R. E., Petersen, H. D., & Teetes, G. L. (1991). Bionomics of the poplar petiolegall aphid (Homoptera: Pemphigidae) on Crucifer.

Chicago Style (17th ed.) Citation

Royer, T. A., Malcolm C. Drew, Jonathan V. Edelson, Ray E. Frisbie, H. DelVar Petersen, and George L. Teetes. Bionomics of the Poplar Petiolegall Aphid (Homoptera: Pemphigidae) on Crucifer. 1991.

MLA (9th ed.) Citation

Royer, T. A., et al. Bionomics of the Poplar Petiolegall Aphid (Homoptera: Pemphigidae) on Crucifer. 1991.