APA (7th ed.) Citation

Kilian, N., & Greuter, W. (2004). Sonchus esperanzae, nom. nov. (Compositae, Cichorieae) ([Sonderdr.].). Botan. Garten u. Botan. Museum Berlin-Dahlem.

Chicago Style (17th ed.) Citation

Kilian, Norbert, and Werner Greuter. Sonchus Esperanzae, Nom. Nov. (Compositae, Cichorieae). [Sonderdr.]. Berlin: Botan. Garten u. Botan. Museum Berlin-Dahlem, 2004.

MLA (9th ed.) Citation

Kilian, Norbert, and Werner Greuter. Sonchus Esperanzae, Nom. Nov. (Compositae, Cichorieae). [Sonderdr.]. Botan. Garten u. Botan. Museum Berlin-Dahlem, 2004.