The White Pass & Yukon Route
MLA
S. M. Irwin (Firm). The White Pass & Yukon Route. Seattle, Wash.: S. M. Irwin, 1900
APA, 7th edition
S. M. Irwin (Firm), S. M. Irwin (Firm). (1900). The White Pass & Yukon Route. Seattle, Wash.: S. M. Irwin
Chicago, 17th edition
S. M. Irwin (Firm). The White Pass & Yukon Route. Seattle, Wash.: S. M. Irwin, 1900