APA (7th ed.) Citation

Weßner, P. (1893). Quaestiones Porphyrioneae (Sonderdr.).

Chicago Style (17th ed.) Citation

Weßner, Paul. Quaestiones Porphyrioneae. Sonderdr. 1893.

MLA (9th ed.) Citation

Weßner, Paul. Quaestiones Porphyrioneae. Sonderdr. 1893.

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