Cita APA (7a ed.)
Watcyn-Jones, P., & Allsop, J. (1990). Test Your Prepositions (1. ed.). Penguin Books.
Cita Chicago Style (17a ed.)
Watcyn-Jones, Peter, y Jake Allsop. Test Your Prepositions. 1. ed. London: Penguin Books, 1990.
Cita MLA (9a ed.)
Watcyn-Jones, Peter, y Jake Allsop. Test Your Prepositions. 1. ed. Penguin Books, 1990.
Precaución: Estas citas no son 100% exactas.