APA (7th ed.) Citation

Stamps, D. J., & Newhook, F. J. (1990). Revised tabular key to the species of Phytophthora (2nd ed.). CAB International Mycological Institute.

Chicago Style (17th ed.) Citation

Stamps, D. J., and F. J. Newhook. Revised Tabular Key to the Species of Phytophthora. 2nd ed. Kew, Surrey, England: CAB International Mycological Institute, 1990.

MLA (9th ed.) Citation

Stamps, D. J., and F. J. Newhook. Revised Tabular Key to the Species of Phytophthora. 2nd ed. CAB International Mycological Institute, 1990.