Petrides, G. A. (1958). A field guide to trees and shrubs: Field marks of all trees, shrubs, and woody vines that grow wild in the Northeastern and North-Central United States and in southeastern and south-central Canada. Houghton Mifflin.
Chicago Style (17th ed.) CitationPetrides, George A. A Field Guide to Trees and Shrubs: Field Marks of All Trees, Shrubs, and Woody Vines That Grow Wild in the Northeastern and North-Central United States and in Southeastern and South-central Canada. Boston: Houghton Mifflin, 1958.
MLA (9th ed.) CitationPetrides, George A. A Field Guide to Trees and Shrubs: Field Marks of All Trees, Shrubs, and Woody Vines That Grow Wild in the Northeastern and North-Central United States and in Southeastern and South-central Canada. Houghton Mifflin, 1958.