Cita APA

HarperCollins. (1991). Collins COBUILD English guides. 1, Prepositions. HarperCollins.

Citación estilo Chicago

HarperCollins. Collins COBUILD English Guides. 1, Prepositions. London: HarperCollins, 1991.

Cita MLA

HarperCollins. Collins COBUILD English Guides. 1, Prepositions. HarperCollins, 1991.

Warning: These citations may not always be 100% accurate.