APA (7th ed.) Citation

Wimmer, F. E. Campanulaceae - Lobelioideae. Wilhelm Engelmann.

Chicago Style (17th ed.) Citation

Wimmer, F. E. Campanulaceae - Lobelioideae. Leipzig: Wilhelm Engelmann.

MLA (8th ed.) Citation

Wimmer, F. E. Campanulaceae - Lobelioideae. Wilhelm Engelmann.

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