Robert N. Goodman, 1921 to 1999.

MLA

Pueppke, S. G., and A. Novacky. “Robert N. Goodman, 1921 to 1999.” Phytopathology, vol. 89, no. 12, Dec. 1999, p. 1124. EBSCOhost, https://doi.org/10.1094/PHYTO.1999.89.12.1124.

APA

Pueppke, S. G., & Novacky, A. (1999). Robert N. Goodman, 1921 to 1999. Phytopathology, 89(12), 1124. https://doi.org/10.1094/PHYTO.1999.89.12.1124

Chicago

Pueppke, S G, and A Novacky. 1999. “Robert N. Goodman, 1921 to 1999.” Phytopathology 89 (12): 1124. doi:10.1094/PHYTO.1999.89.12.1124.