Cita APA

Eckersley, C. E. 1. (1964). Essential English for foreign students (Rev. ed., new imp.). London [etc.]: Longmans.

Citación estilo Chicago

Eckersley, C. E. 1892-1967. Essential English for Foreign Students. Rev. ed., new imp. London [etc.]: Longmans, 1964.

Cita MLA

Eckersley, C. E. 1892-1967. Essential English for Foreign Students. Rev. ed., new imp. London [etc.]: Longmans, 1964.