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MLA

United States. Office of Foreign Seed and Plant Introduction. "Bulletin of Foreign Plant Introductions, No. 77." ,

APA

United States. Office of Foreign Seed and Plant Introduction, U. States. Office of Foreign Seed and Plant Introduction. (0000). Bulletin of foreign plant introductions, no. 77.

Chicago

United States. Office of Foreign Seed and Plant Introduction. "Bulletin of foreign plant introductions, no. 77" (0000):