APA (7th ed.) Citation

Riches, S., Allen, V., & Keenan, D. J. (2011). Keenan and Riches' business law (10th ed.). Longman.

Chicago Style (17th ed.) Citation

Riches, Sarah, Vida Allen, and Dennis J. Keenan. Keenan and Riches' Business Law. 10th ed. Harlow: Longman, 2011.

MLA (9th ed.) Citation

Riches, Sarah, et al. Keenan and Riches' Business Law. 10th ed. Longman, 2011.

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