APA-Zitierstil (7. Ausg.)

Blake, S. F. (1938). Raouliopsis (Asteraceae), a new genus of "vegetable sheep" from the high Páramos of Colombia ([Sonderdruck].). Washington Academy of Sciences.

Chicago-Zitierstil (17. Ausg.)

Blake, Sidney F. Raouliopsis (Asteraceae), a New Genus of "Vegetable Sheep" from the High Páramos of Colombia. [Sonderdruck]. Washington, DC: Washington Academy of Sciences, 1938.

MLA-Zitierstil (9. Ausg.)

Blake, Sidney F. Raouliopsis (Asteraceae), a New Genus of "Vegetable Sheep" from the High Páramos of Colombia. [Sonderdruck]. Washington Academy of Sciences, 1938.