APA (7th ed.) Citation

Villadolid, D. V. (1936). The gourami: Its cultivation in the Philippines. Bureau of printing.

Chicago Style (17th ed.) Citation

Villadolid, Deogracias Villamarin. The Gourami: Its Cultivation in the Philippines. Manila: Bureau of printing, 1936.

MLA (9th ed.) Citation

Villadolid, Deogracias Villamarin. The Gourami: Its Cultivation in the Philippines. Bureau of printing, 1936.