APA (7th ed.) Citation

De Leon, H. S. (1986). Textbook on the Philippine provisional constitution. Rex Bookstore.

Chicago Style (17th ed.) Citation

De Leon, Hector S. Textbook on the Philippine Provisional Constitution. Manila: Rex Bookstore, 1986.

MLA (9th ed.) Citation

De Leon, Hector S. Textbook on the Philippine Provisional Constitution. Rex Bookstore, 1986.

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