Pennsylvania perspective on acid rain /
revised by Bob Frey ... [et al.] ; edited by Ted Laubach ... [et al.].

APA Citation

Laubach, T., Frey, B., Pennsylvania. Dept. of Environmental Resources. (1988). Pennsylvania perspective on acid rain. [Harrisburg, PA]: Commonwealth of Pennsylvania, Dept. of Environmental Resources.

MLA Citation

Laubach, Ted, Bob Frey, and Pennsylvania. Dept. of Environmental Resources. Pennsylvania Perspective On Acid Rain. [Harrisburg, PA]: Commonwealth of Pennsylvania, Dept. of Environmental Resources, 1988.

Warning: These citations may not always be complete (especially for serials).