APA (7th ed.) Citation

Society of Public Teachers of Law (London, England), & Birks, P. (1997). The classification of obligations. Clarendon Press ; Oxford University Press.

Chicago Style (17th ed.) Citation

Society of Public Teachers of Law (London, England), and Peter Birks. The Classification of Obligations. Oxford : New York: Clarendon Press ; Oxford University Press, 1997.

MLA (9th ed.) Citation

Society of Public Teachers of Law (London, England), and Peter Birks. The Classification of Obligations. Clarendon Press ; Oxford University Press, 1997.