Cita APA

Eckersley, C. E. 1. (1960). Essential English [for foreign students] (2nd., ed., 22nd imp.). London [etc.]: Longmans, Green and Co.

Citación estilo Chicago

Eckersley, C. E. 1892-1967. Essential English [for Foreign Students]. 2nd., ed., 22nd imp. London [etc.]: Longmans, Green and Co, 1960.

Cita MLA

Eckersley, C. E. 1892-1967. Essential English [for Foreign Students]. 2nd., ed., 22nd imp. London [etc.]: Longmans, Green and Co, 1960.