APA (7th ed.) Citation

Villanueva, R. O., & Or, E. Unang babae at lalake.

Chicago Style (17th ed.) Citation

Villanueva, Rene O., and Elbert Or. Unang Babae at Lalake.

MLA (9th ed.) Citation

Villanueva, Rene O., and Elbert Or. Unang Babae at Lalake.

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