APA (7th ed.) Citation

Olck, F. T. (1897). Bidens (1).

Chicago Style (17th ed.) Citation

Olck, Franz Theodor. Bidens (1). 1897.

MLA (9th ed.) Citation

Olck, Franz Theodor. Bidens (1). 1897.

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