APA (7th ed.) Citation

Vidal, A., & Santos, E. P. Poblacion map of Amlan. s.n.

Chicago Style (17th ed.) Citation

Vidal, A., and Ernesto P. Santos. Poblacion Map of Amlan. [S.l: s.n.

MLA (9th ed.) Citation

Vidal, A., and Ernesto P. Santos. Poblacion Map of Amlan. s.n.

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