Cita APA (7th ed.)

Ingels, J. E. (1997). Landscaping principles and practices (5th ed.). Delmar Pubs.

Cita Chicago (17th ed.)

Ingels, Jack E. Landscaping Principles and Practices. 5th ed. Albany, New York: Delmar Pubs, 1997.

Cita MLA (9th ed.)

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