Cita APA (7th ed.)

Ingels, J. E. (1992). Landscaping: Principles & practices (4th ed.). Delmar.

Cita Chicago (17th ed.)

Ingels, Jack E. Landscaping: Principles & Practices. 4th ed. New York: Delmar, 1992.

Cita MLA (9th ed.)

Ingels, Jack E. Landscaping: Principles & Practices. 4th ed. Delmar, 1992.