APA (7th ed.) Citation

Santos, E. P., & Samarista, D. Poblacion map of Glan. s.n.

Chicago Style (17th ed.) Citation

Santos, E. P., and D. Samarista. Poblacion Map of Glan. [S.l: s.n.

MLA (9th ed.) Citation

Santos, E. P., and D. Samarista. Poblacion Map of Glan. s.n.

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