APA (7th ed.) Citation

Northeastern Illinois Planning Commission & Illinois Prairie Trail Authority. (1998). Trails, a guide to northeastern Illinois trails. Illinois Prairie Trail Authority.

Chicago Style (17th ed.) Citation

Northeastern Illinois Planning Commission and Illinois Prairie Trail Authority. Trails, a Guide to Northeastern Illinois Trails. [Chicago?]: Illinois Prairie Trail Authority, 1998.

MLA (8th ed.) Citation

Northeastern Illinois Planning Commission and Illinois Prairie Trail Authority. Trails, a Guide to Northeastern Illinois Trails. Illinois Prairie Trail Authority, 1998.