May, J. B. (1913). A TERATOLOGICAL SPECIMEN OF CYPRIPEDIUM ACAULE. Zenodo.
Chicago Style (17th ed.) CitationMay, John B. A TERATOLOGICAL SPECIMEN OF CYPRIPEDIUM ACAULE. Zenodo, 1913.
MLA (9th ed.) CitationMay, John B. A TERATOLOGICAL SPECIMEN OF CYPRIPEDIUM ACAULE. Zenodo, 1913.
Warning: These citations may not always be 100% accurate.