Cita APA (7a ed.)

Eckersley, C. (1950). Essential English (Rev. ed., [new imp. by Lithography].). Longmans, Green, and Co.

Cita Chicago Style (17a ed.)

Eckersley, C.E. Essential English. Rev. ed., [new imp. by Lithography]. London, [etc.]: Longmans, Green, and Co, 1950.

Cita MLA (9a ed.)

Eckersley, C.E. Essential English. Rev. ed., [new imp. by Lithography]. Longmans, Green, and Co, 1950.