APA (7th ed.) Citation

Western Writers of America & Worcester, D. E. (1985). Pioneer trails West. Caxton Printers.

Chicago Style (17th ed.) Citation

Western Writers of America and Donald E. Worcester. Pioneer Trails West. Caldwell, Idaho: Caxton Printers, 1985.

MLA (9th ed.) Citation

Western Writers of America and Donald E. Worcester. Pioneer Trails West. Caxton Printers, 1985.