APA引文

Gressley, G. M. (1994). Old West/new West: Quo vadis? High Plains Pub..

Chicago Style (17th ed.) Citation

Gressley, Gene M. Old West/new West: Quo Vadis? Worland, Wyo.: High Plains Pub., 1994.

MLA引文

Gressley, Gene M. Old West/new West: Quo Vadis? High Plains Pub., 1994.

警告：這些引文格式不一定是100％准確.