APA

Polzin P. E., Yuan M. S. & Schuster E. G. (1993). Some economic impacts of the 1988 fires in the Yellowstone Area. Washington, DC: Intermountain Research Station.

Chicago

Polzin Paul E, Yuan Michael S and Schuster Ervin G. 1993. Some economic impacts of the 1988 fires in the Yellowstone Area. Washington, DC: Intermountain Research Station.

Harvard

Polzin P. E., Yuan M. S. and Schuster E. G. (1993). Some economic impacts of the 1988 fires in the Yellowstone Area. Washington, DC: Intermountain Research Station.

MLA

Polzin Paul E, Yuan Michael S and Schuster Ervin G. Some economic impacts of the 1988 fires in the Yellowstone Area. Washington, DC: Intermountain Research Station. 1993.