APA (7th ed.) Citation

Sebastian, R. A., Wood, M. R. G., & Serrana, M. S. (2005). Thesaurus on Philippine environment. Bookmark.

Chicago Style (17th ed.) Citation

Sebastian, Romeo A., Ma Rosario G. Wood, and Milagros S. Serrana. Thesaurus on Philippine Environment. Makati City: Bookmark, 2005.

MLA (9th ed.) Citation

Sebastian, Romeo A., et al. Thesaurus on Philippine Environment. Bookmark, 2005.