APA (7th ed.) Citation

Philippine Islands. Bureau of Plant Industry. Circulars. [publisher not identified].

Chicago Style (17th ed.) Citation

Philippine Islands. Bureau of Plant Industry. Circulars. Manila: [publisher not identified].

MLA (9th ed.) Citation

Philippine Islands. Bureau of Plant Industry. Circulars. [publisher not identified].

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