APA (7th ed.) Citation

Sinclair, K. (1969). A history of New Zealand (Rev. ed.). Penguin Books.

Chicago Style (17th ed.) Citation

Sinclair, Keith. A History of New Zealand. Rev. ed. Harmondsworth, Eng.: Penguin Books, 1969.

MLA (8th ed.) Citation

Sinclair, Keith. A History of New Zealand. Rev. ed. Penguin Books, 1969.