APA (7th ed.) Citation

De la Mare, C., Hardy-Gould, J., Wetz, B., Halliwell, H., Dignen, S., Bradfield, B., & Hollyman, R. (2010). English plus 1 (Catalan ed.). Oxford University Press.

Chicago Style (17th ed.) Citation

De la Mare, Christina, Janet Hardy-Gould, Ben Wetz, Helen Halliwell, Sheila Dignen, Bess Bradfield, and Ruth Hollyman. English Plus 1. Catalan ed. Oxford: Oxford University Press, 2010.

MLA (9th ed.) Citation

De la Mare, Christina, et al. English Plus 1. Catalan ed. Oxford University Press, 2010.