APA (7th ed.) Citation

Hansen, A. (1880). On Quebracho bark: Botanic-pharmacognostic essay.

Chicago Style (17th ed.) Citation

Hansen, Adolph. On Quebracho Bark: Botanic-pharmacognostic Essay. [S.l.], 1880.

MLA (9th ed.) Citation

Hansen, Adolph. On Quebracho Bark: Botanic-pharmacognostic Essay. 1880.

Warning: These citations may not always be 100% accurate.