APA (7th ed.) Citation

Borges, P. A. V., Pereira, F. E. A. P., & Silva, A. (2013). Caves and pits from the Azores. II - An annotated Checklist.

Chicago Style (17th ed.) Citation

Borges, Paulo A. V., Fernando E. A. P. Pereira, and A. Silva. Caves and Pits from the Azores. II - An Annotated Checklist. 2013.

MLA (8th ed.) Citation

Borges, Paulo A. V., et al. Caves and Pits from the Azores. II - An Annotated Checklist. 2013.