Cita APA (7th ed.)

Ingels, J. E. (1994). Ornamental horticulture: Science, operations & management. Delmar.

Cita Chicago (17th ed.)

Ingels, Jack E. Ornamental Horticulture: Science, Operations & Management. Albany, NY: Delmar, 1994.

Cita MLA (9th ed.)

Ingels, Jack E. Ornamental Horticulture: Science, Operations & Management. Delmar, 1994.