Farmer, J. B., & Freeman, W. G. (1899). On the structure and affinities of Helminthostachys zeylanica ([Sonderdr.].).
Chicago Style (17th ed.) CitationFarmer, J. Bretland, and W. G. Freeman. On the Structure and Affinities of Helminthostachys Zeylanica. [Sonderdr.]. 1899.
MLA (9th ed.) CitationFarmer, J. Bretland, and W. G. Freeman. On the Structure and Affinities of Helminthostachys Zeylanica. [Sonderdr.]. 1899.
Warning: These citations may not always be 100% accurate.