Cita APA (7th ed.)

Ferree, D. C. (2003). Apples: Botany, production and uses (1a. ed.). CABI.

Cita Chicago (17th ed.)

Ferree, D. C. Apples: Botany, Production and Uses. 1a. ed. Londres: CABI, 2003.

Cita MLA (9th ed.)

Ferree, D. C. Apples: Botany, Production and Uses. 1a. ed. CABI, 2003.