APA (7th ed.) Citation

Villadolid, D. V. (1939). The gourami: Its cultivation in the Philippines. Bureau of Printing.

Chicago Style (17th ed.) Citation

Villadolid, Deogracias V. The Gourami: Its Cultivation in the Philippines. Manila: Bureau of Printing, 1939.

MLA (9th ed.) Citation

Villadolid, Deogracias V. The Gourami: Its Cultivation in the Philippines. Bureau of Printing, 1939.

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