APA (7th ed.) Citation

Hackel, E. (1906). Gramineae novae ([Sonderdr.]r.).

Chicago Style (17th ed.) Citation

Hackel, Eduard. Gramineae Novae. [Sonderdr.]r. 1906.

MLA (9th ed.) Citation

Hackel, Eduard. Gramineae Novae. [Sonderdr.]r. 1906.

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