APA-viite (7. p.)

Howard, B. C., & Higgins, R. (1939). On the trail with Lewis and Clark. Silver Burdett Co..

Chicago-viite (17. p.)

Howard, Bonnie C., ja Ruth Higgins. On the Trail with Lewis and Clark. New York: Silver Burdett Co., 1939.

MLA-viite (8. p.)

Howard, Bonnie C., ja Ruth Higgins. On the Trail with Lewis and Clark. Silver Burdett Co., 1939.