Cita APA (7a ed.)

Ryugo, K. (1988). Fruit culture: Its science and art. John Wiley.

Cita Chicago Style (17a ed.)

Ryugo, Kay. Fruit Culture: Its Science and Art. New York: John Wiley, 1988.

Cita MLA (8a ed.)

Ryugo, Kay. Fruit Culture: Its Science and Art. John Wiley, 1988.