Fraser-Jenkins, C. R. 1., & Corley, H. V. (1972). Dryopteris caucasica: An ancestral diploid in the male fern aggregate ([Sonderdr.].).
Chicago Style (17th ed.) CitationFraser-Jenkins, Christopher Roy 1948, and H. V. Corley. Dryopteris Caucasica: An Ancestral Diploid in the Male Fern Aggregate. [Sonderdr.]. 1972.
MLA (9th ed.) CitationFraser-Jenkins, Christopher Roy 1948, and H. V. Corley. Dryopteris Caucasica: An Ancestral Diploid in the Male Fern Aggregate. [Sonderdr.]. 1972.
Warning: These citations may not always be 100% accurate.