Cita APA (7th ed.)

De Leon, S. Y., & Castro, F. A. (1979). Guide to canning fruits and vegetables. s.n.].

Cita Chicago (17th ed.)

De Leon, Sonia Y., i Florinda A. Castro. Guide to Canning Fruits and Vegetables. [S.l: s.n.], 1979.

Cita MLA (9th ed.)

De Leon, Sonia Y., i Florinda A. Castro. Guide to Canning Fruits and Vegetables. s.n.], 1979.