Cita APA (7a ed.)

Eckersley, C. E., Kaufmann, W., & Salisbury, C. (1954). English commercial practice and correspondence: A first course for foreign students (1st published, 3rd impression.). Longmans.

Cita Chicago Style (17a ed.)

Eckersley, C. E., Walter Kaufmann, y Charles Salisbury. English Commercial Practice and Correspondence: A First Course for Foreign Students. 1st published, 3rd impression. London: Longmans, 1954.

Cita MLA (9a ed.)

Eckersley, C. E., et al. English Commercial Practice and Correspondence: A First Course for Foreign Students. 1st published, 3rd impression. Longmans, 1954.