Cita APA

O'Dell, A. C., & Richards, P. S. (1971). Railways and geography (2nd. ed.). Hutchins Univ Linbrary.

Citación estilo Chicago

O'Dell, Andrew C., y Peter S. Richards. Railways and Geography. 2nd. ed. London: Hutchins Univ Linbrary, 1971.

Cita MLA

O'Dell, Andrew C., y Peter S. Richards. Railways and Geography. 2nd. ed. Hutchins Univ Linbrary, 1971.