APA (7th ed.) Citation

Oliver, W. H., & Williams, B. R. (1981). The Oxford history of New Zealand. Clarendon Press.

Chicago Style (17th ed.) Citation

Oliver, W. H., and B. R. Williams. The Oxford History of New Zealand. Oxford: Clarendon Press, 1981.

MLA (9th ed.) Citation

Oliver, W. H., and B. R. Williams. The Oxford History of New Zealand. Clarendon Press, 1981.