APA (7th ed.) Citation

Pena, N. (1978). Philippine law on natural resources (1978 revised edition.). Rex Book Store.

Chicago Style (17th ed.) Citation

Pena, Narciso. Philippine Law on Natural Resources. 1978 revised edition. Manila: Rex Book Store, 1978.

MLA (9th ed.) Citation

Pena, Narciso. Philippine Law on Natural Resources. 1978 revised edition. Rex Book Store, 1978.

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