Pathfinder
MLA
Pathfinder. Washington, D.C. [etc.]: Farm Journal Inc., 1894-1953
APA, 7th edition
(1894-1953). Pathfinder. Washington, D.C. [etc.]: Farm Journal Inc
Chicago, 17th edition
Pathfinder. Washington, D.C. [etc.]: Farm Journal Inc., 1894-1953