APA (7th ed.) Citation

(1989). Mang Pedro de Leon herbolario. Historical Conservation Society.

Chicago Style (17th ed.) Citation

Mang Pedro De Leon Herbolario. Manila: Historical Conservation Society, 1989.

MLA (9th ed.) Citation

Mang Pedro De Leon Herbolario. Historical Conservation Society, 1989.

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