Caesar's Helvetian war /
edited for the use of beginners by W. Welch and C.G. Duffield.

APA Citation

Caesar, J., Duffield, C. G.., Welch, W. (1925). Caesar's Helvetian war. Rev. and enl. for use in American schools / New York: Macm..

MLA Citation

Caesar, Julius, C. G. Duffield, and William Welch. Caesar's Helvetian War. Rev. and enl. for use in American schools / New York: Macm., 1925.

Warning: These citations may not always be complete (especially for serials).