APA (7th ed.) Citation

Santos, E. P. Poblacion map of Sta. Magdalena. s.n.

Chicago Style (17th ed.) Citation

Santos, Ernesto P. Poblacion Map of Sta. Magdalena. [S.l: s.n.

MLA (9th ed.) Citation

Santos, Ernesto P. Poblacion Map of Sta. Magdalena. s.n.

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