APA (7th ed.) Citation

C, F. N. (1946, December). Rumex and Polygonum in Colombia Rumex and Polygonum in Colombia. Caldasia.

Chicago Style (17th ed.) Citation

C, Fassett Norman. "Rumex and Polygonum in Colombia Rumex and Polygonum in Colombia." Caldasia Dec. 1946.

MLA (9th ed.) Citation

C, Fassett Norman. "Rumex and Polygonum in Colombia Rumex and Polygonum in Colombia." Caldasia, Dec. 1946.

Warning: These citations may not always be 100% accurate.