Cita APA (7a ed.)

Eckersley, C. E. (1963). Essential English for foreign students (Rev. ed., 3rd ed.). Longmans, Green, and Co.

Cita Chicago Style (17a ed.)

Eckersley, C. E. Essential English for Foreign Students. Rev. ed., 3rd ed. London: Longmans, Green, and Co, 1963.

Cita MLA (9a ed.)

Eckersley, C. E. Essential English for Foreign Students. Rev. ed., 3rd ed. Longmans, Green, and Co, 1963.

Precaución: Estas citas no son 100% exactas.