APA Style

Barnett,J.P and Krugman,S.L. (1989). Electromagnetic Treatment of Loblolly Pine Seeds (USDA) . Virgin Islands: USDA Forest Service.

Chicago Style

Barnett,J.P and Krugman,S.L. Electromagnetic Treatment of Loblolly Pine Seeds (USDA). Virgin Islands: USDA Forest Service, 1989. .

MLA Style

Barnett,J.P and Krugman,S.L. Electromagnetic Treatment of Loblolly Pine Seeds (USDA). Virgin Islands: USDA Forest Service, 1989. .

Turabian Style

Barnett,J.P and Krugman,S.L. Electromagnetic Treatment of Loblolly Pine Seeds (USDA). Virgin Islands: USDA Forest Service, 1989. .