APA

Merrill E. D., . (1949). Index Rafinesquianus : the plant names published by C.S. Rafinesque with reductions, and a consideration of his methods, objectives, and attainments. Jamaica Plain, Mass: The Arnold Arboretum of Harvard University.

Chicago

Merrill Elmer D, . 1949. Index Rafinesquianus : the plant names published by C.S. Rafinesque with reductions, and a consideration of his methods, objectives, and attainments. Jamaica Plain, Mass: The Arnold Arboretum of Harvard University.

Harvard

Merrill E. D., . (1949). Index Rafinesquianus : the plant names published by C.S. Rafinesque with reductions, and a consideration of his methods, objectives, and attainments. Jamaica Plain, Mass: The Arnold Arboretum of Harvard University.

MLA

Merrill Elmer D, . Index Rafinesquianus : the plant names published by C.S. Rafinesque with reductions, and a consideration of his methods, objectives, and attainments. Jamaica Plain, Mass: The Arnold Arboretum of Harvard University. 1949.