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MLA

Wilkinson, R.E, and C Vieira. "A Standardized System for Surveying and Reporting of Races of Bean Rust Is Urgently Needed." , 98-99.. Print

APA

Wilkinson, R., & Vieira, C. (0000). A standardized system for surveying and reporting of races of bean rust is urgently needed.

Chicago

Wilkinson, R.E., and C Vieira. "A standardized system for surveying and reporting of races of bean rust is urgently needed" (1972): 98-99..