Citazione Stile APA (7a Edizione)

Hammerschlag, F. A., & Litz, R. E. (1992). Biotechnology of perennial fruit crops. CAB International.

Citazione stile Chigago Style (17a edizione)

Hammerschlag, F. A., e R. E. Litz. Biotechnology of Perennial Fruit Crops. Wallingford: CAB International, 1992.

Citatione MLA (9a ed.)

Hammerschlag, F. A., e R. E. Litz. Biotechnology of Perennial Fruit Crops. CAB International, 1992.