Cita APA (7a ed.)
Wingfield, R. J. (1967). Exercises in situational composition. (1a. ed.). Longman.
Cita Chicago Style (17a ed.)
Wingfield, R. J. Exercises in Situational Composition. 1a. ed. Londres: Longman, 1967.
Cita MLA (9a ed.)
Wingfield, R. J. Exercises in Situational Composition. 1a. ed. Longman, 1967.
Precaución: Estas citas no son 100% exactas.