Cita APA (7a ed.)

Close, R. A., & Bailey, T. (1969). Prepositions. Longman.

Cita Chicago Style (17a ed.)

Close, Reginald Arthur, y Tom Bailey. Prepositions. London: Longman, 1969.

Cita MLA (9a ed.)

Close, Reginald Arthur, y Tom Bailey. Prepositions. Longman, 1969.