APA (7th ed.) Citation

Lala, R. R. (2013). The Philippine Islands. Project Gutenberg.

Chicago Style (17th ed.) Citation

Lala, Ramon Reyes. The Philippine Islands. Project Gutenberg, 2013.

MLA (9th ed.) Citation

Lala, Ramon Reyes. The Philippine Islands. Project Gutenberg, 2013.

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