Citazione Stile APA (7a Edizione)

De Leon, J. (1951). Citrus growing in the Philippines. Bureau of Print.

Citazione stile Chigago Style (17a edizione)

De Leon, Jose. Citrus Growing in the Philippines. Manila: Bureau of Print, 1951.

Citatione MLA (9a ed.)

De Leon, Jose. Citrus Growing in the Philippines. Bureau of Print, 1951.