Citazione Stile APA (7a Edizione)

Comfort, M. H. (1967). Danger on the trail: (Original title: Prairie schooners west). Scholastic Book Services.

Citazione stile Chigago Style (17a edizione)

Comfort, Mildred Houghton. Danger on the Trail: (Original Title: Prairie Schooners West). New York: Scholastic Book Services, 1967.

Citatione MLA (9a ed.)

Comfort, Mildred Houghton. Danger on the Trail: (Original Title: Prairie Schooners West). Scholastic Book Services, 1967.