APA

(1964). Balloon logging systems. Phase II - logistics study: Contract 19-25. Portland: U. S. Department of Agriculture Forest Service.

Chicago

1964. Balloon logging systems. Phase II - logistics study: Contract 19-25. Portland: U. S. Department of Agriculture Forest Service.

Harvard

(1964). Balloon logging systems. Phase II - logistics study: Contract 19-25. Portland: U. S. Department of Agriculture Forest Service.

MLA

Balloon logging systems. Phase II - logistics study: Contract 19-25. Portland: U. S. Department of Agriculture Forest Service. 1964.