APA (7th ed.) Citation

Soriano, M., & Valdez, J. The Philippine guitar.

Chicago Style (17th ed.) Citation

Soriano, Manuel, and Jose Valdez. The Philippine Guitar. Quezon City : M. Soriano, c1998.

MLA (9th ed.) Citation

Soriano, Manuel, and Jose Valdez. The Philippine Guitar.

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