Shamel, A. D. (1921). The improvement of plants through bud selection. [s.n..
Chicago Style (17th ed.) CitationShamel, A. D. The Improvement of Plants Through Bud Selection. Honolulu, Hawaii: [s.n., 1921.
MLA (8th ed.) CitationShamel, A. D. The Improvement of Plants Through Bud Selection. [s.n., 1921.
Warning: These citations may not always be 100% accurate.