Cita APA (7a ed.)

Balaoing, T. (1986). Lettuce. Bureau of Plant Industry.

Cita Chicago Style (17a ed.)

Balaoing, Theresa. Lettuce. Manila: Bureau of Plant Industry, 1986.

Cita MLA (9a ed.)

Balaoing, Theresa. Lettuce. Bureau of Plant Industry, 1986.