APA (7th ed.) Citation

Duff, A. (1990). Once were warriors: Alan Duff. Vintage.

Chicago Style (17th ed.) Citation

Duff, Alan. Once Were Warriors: Alan Duff. London: Vintage, 1990.

MLA (9th ed.) Citation

Duff, Alan. Once Were Warriors: Alan Duff. Vintage, 1990.

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