APA (7th ed.) Citation

Greenman, J. M. (1915). Monograph of the North and Central American species of the genus Senecio--Part II. [publisher not identified].

Chicago Style (17th ed.) Citation

Greenman, Jesse More. Monograph of the North and Central American Species of the Genus Senecio--Part II. [St. Louis]: [publisher not identified], 1915.

MLA (9th ed.) Citation

Greenman, Jesse More. Monograph of the North and Central American Species of the Genus Senecio--Part II. [publisher not identified], 1915.