APA (7th ed.) Citation

Bornmüller, J. F. N. (1913). Sempervivum exsul Bornm. (nov. spec.): Sectio: Aeonium ([Sonderdruck].).

Chicago Style (17th ed.) Citation

Bornmüller, Joseph Friedrich Nikolaus. Sempervivum Exsul Bornm. (nov. Spec.): Sectio: Aeonium. [Sonderdruck]. Berlin, 1913.

MLA (9th ed.) Citation

Bornmüller, Joseph Friedrich Nikolaus. Sempervivum Exsul Bornm. (nov. Spec.): Sectio: Aeonium. [Sonderdruck]. 1913.

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