APA (7th ed.) Citation

Bella, P. J. Gunn (Ed.): Encyclopedia of caves and karst science.

Chicago Style (17th ed.) Citation

Bella, Pavel. J. Gunn (Ed.): Encyclopedia of Caves and Karst Science.

MLA (9th ed.) Citation

Bella, Pavel. J. Gunn (Ed.): Encyclopedia of Caves and Karst Science.

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