APA Style

Ferrar, P., Brown,T.C and Daniel,T.C. (1990). Scaling of Ratings: Concepts and Methods (Research Paper RM-293) (USDA) . Colorado: USDA Forest Service.

Chicago Style

Ferrar, P., Brown,T.C and Daniel,T.C. Scaling of Ratings: Concepts and Methods (Research Paper RM-293) (USDA). Colorado: USDA Forest Service, 1990. .

MLA Style

Ferrar, P., Brown,T.C and Daniel,T.C. Scaling of Ratings: Concepts and Methods (Research Paper RM-293) (USDA). Colorado: USDA Forest Service, 1990. .

Turabian Style

Ferrar, P., Brown,T.C and Daniel,T.C. Scaling of Ratings: Concepts and Methods (Research Paper RM-293) (USDA). Colorado: USDA Forest Service, 1990. .