APA (7th ed.) Citation

L, A., & Silva, M. J. (2010). Indexing Structures for Geographic Web Retrieval.

Chicago Style (17th ed.) Citation

L, Andrade, and M. J. Silva. Indexing Structures for Geographic Web Retrieval. 2010.

MLA (8th ed.) Citation

L, Andrade, and M. J. Silva. Indexing Structures for Geographic Web Retrieval. 2010.

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