APA引文

United States. Forest Service & Journey Past (Firm). (1997). Crossroads: Images of the Colville Valley, 1800-1850. Journey Past.

Chicago Style (17th ed.) Citation

United States. Forest Service and Journey Past (Firm). Crossroads: Images of the Colville Valley, 1800-1850. [S.l.]: Journey Past, 1997.

MLA引文

United States. Forest Service and Journey Past (Firm). Crossroads: Images of the Colville Valley, 1800-1850. Journey Past, 1997.

警告：這些引文格式不一定是100％准確.