Cummins, G. B., & Stevenson, J. A. (1956). A check list of North American rust fungi (uredinales). [s. l.]: [s. n.].
Chicago Style CitationCummins, George Baker, and John A. Stevenson. A Check List of North American Rust Fungi (uredinales). [s. l.]: [s. n.], 1956.
MLA CitationCummins, George Baker, and John A. Stevenson. A Check List of North American Rust Fungi (uredinales). [s. l.]: [s. n.], 1956.
Warning: These citations may not always be 100% accurate.