APA (7th ed.) Citation

Wray, A., Trott, K., & Bloomer, A. (1998). Projects in linguistics: A practical guide to researching language. Arnold.

Chicago Style (17th ed.) Citation

Wray, Alison, Kate Trott, and Aileen Bloomer. Projects in Linguistics: A Practical Guide to Researching Language. London [etc.]: Arnold, 1998.

MLA (9th ed.) Citation

Wray, Alison, et al. Projects in Linguistics: A Practical Guide to Researching Language. Arnold, 1998.