Cita APA

O'Dell, A. C. (1971). Railways and geography; 2 ed. [S.l.]: Hutchinson.

Citación estilo Chicago

O'Dell, Andrew C. Railways and Geography; 2 Ed. [S.l.]: Hutchinson, 1971.

Cita MLA

O'Dell, Andrew C. Railways and Geography; 2 Ed. [S.l.]: Hutchinson, 1971.