Standardized plant names.

MLA

Dayton, William A., and Harlan P Kelsey. Standardized Plant Names. 2d ed. Harrisburg, Pa.: J. Horace McFarland company for American joint committee on horticultural nomenclature, 1942.

APA

Dayton, W. A., & Kelsey, H. P. (1942). Standardized plant names. 2d ed. Harrisburg, Pa.: J. Horace McFarland company for American joint committee on horticultural nomenclature.

Chicago

Dayton, William A., and Harlan P. Kelsey. Standardized Plant Names. 2d ed. Harrisburg, Pa.: J. Horace McFarland company for American joint committee on horticultural nomenclature, 1942.