APA (7th ed.) Citation

Boston, L. M., Mowat, D., & Boston, P. (2008). A Stranger at Green Knowe. Oxford University Press.

Chicago Style (17th ed.) Citation

Boston, Lucy M., Diane Mowat, and Peter Boston. A Stranger at Green Knowe. Oxford: Oxford University Press, 2008.

MLA (9th ed.) Citation

Boston, Lucy M., et al. A Stranger at Green Knowe. Oxford University Press, 2008.