APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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