Cita APA

Ripley, W. Z. 1. (1907). Railway problems. Boston, Massachusetts: Ginn.

Citación estilo Chicago

Ripley, William Zebina 1867-1941. Railway Problems. Boston, Massachusetts: Ginn, 1907.

Cita MLA

Ripley, William Zebina 1867-1941. Railway Problems. Boston, Massachusetts: Ginn, 1907.

Precaución: Estas citas no son 100% exactas.