Cita APA

Shigo, A. L. 1. 2. (2020). Modern arboriculture: A systems approach to the care of trees and their associates. snohomish WA, USA: Shigo and Trees, Associates, LLC.

Citación estilo Chicago

Shigo, Alex L.,‏ 1930- 2006. Modern Arboriculture: A Systems Approach to the Care of Trees and Their Associates. snohomish WA, USA: Shigo and Trees, Associates, LLC, 2020.

Cita MLA

Shigo, Alex L.,‏ 1930- 2006. Modern Arboriculture: A Systems Approach to the Care of Trees and Their Associates. snohomish WA, USA: Shigo and Trees, Associates, LLC, 2020.