APA Style

Tuszynski, W.B., Little,E.L. (1971). Atlas of United States Trees (vol. 1. Conifers and Important Hardwoods (Ref:1) . USA: U. S. Department of Agriculture, Forest Service.

Chicago Style

Tuszynski, W.B., Little,E.L. Atlas of United States Trees (vol. 1. Conifers and Important Hardwoods (Ref:1). USA: U. S. Department of Agriculture, Forest Service, 1971. .

MLA Style

Tuszynski, W.B., Little,E.L. Atlas of United States Trees (vol. 1. Conifers and Important Hardwoods (Ref:1). USA: U. S. Department of Agriculture, Forest Service, 1971. .

Turabian Style

Tuszynski, W.B., Little,E.L. Atlas of United States Trees (vol. 1. Conifers and Important Hardwoods (Ref:1). USA: U. S. Department of Agriculture, Forest Service, 1971. .