The secret toll,
by Paul and Mabel Thorne.
APA Citation
Thorne, P., Thorne, M. (1922). The secret toll. New York: Dodd, Mead and Company.
MLA Citation
Thorne, Paul, and Mabel Thorne. The Secret Toll. New York: Dodd, Mead and Company, 1922.
Warning: These citations may not always be complete (especially for serials).