Blackhurst, H. T. (1947). Cytogenetic studies on Rosa Rubiginosa L. and its hybrids. [publisher not identified].
Chicago Style (17th ed.) CitationBlackhurst, Homer T. Cytogenetic Studies on Rosa Rubiginosa L. and Its Hybrids. [College Station, Tex.]: [publisher not identified], 1947.
MLA (9th ed.) CitationBlackhurst, Homer T. Cytogenetic Studies on Rosa Rubiginosa L. and Its Hybrids. [publisher not identified], 1947.
Warning: These citations may not always be 100% accurate.