Cita APA (7th ed.)

Ingels, J. E. (1997). Landscaping: Principles and practices (5th ed.). Delmar Publishers.

Cita Chicago (17th ed.)

Ingels, Jack E. Landscaping: Principles and Practices. 5th ed. Albany, N.Y: Delmar Publishers, 1997.

Cita MLA (9th ed.)

Ingels, Jack E. Landscaping: Principles and Practices. 5th ed. Delmar Publishers, 1997.