APA (7th ed.) Citation

Stapf, O. (1907). Hallieracantha, a new genus of Acanthaceae ([Sonderdr.].).

Chicago Style (17th ed.) Citation

Stapf, Otto. Hallieracantha, a New Genus of Acanthaceae. [Sonderdr.]. 1907.

MLA (9th ed.) Citation

Stapf, Otto. Hallieracantha, a New Genus of Acanthaceae. [Sonderdr.]. 1907.

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