APA (7th ed.) Citation

Pfeiffer, L. G. K. (1837). Enumeratio diagnostica cactearum hucusque cognitarum. Oehmigke.

Chicago Style (17th ed.) Citation

Pfeiffer, Ludwig Georg Karl. Enumeratio Diagnostica Cactearum Hucusque Cognitarum. Berolini: Oehmigke, 1837.

MLA (9th ed.) Citation

Pfeiffer, Ludwig Georg Karl. Enumeratio Diagnostica Cactearum Hucusque Cognitarum. Oehmigke, 1837.

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