APA (7th ed.) Citation

Densley, D. R. J., & Purdy, D. J. (1979). Livestock. Dept. of Primary Industry.

Chicago Style (17th ed.) Citation

Densley, D. R. J., and D. J. Purdy. Livestock. [Port Moresby]: Dept. of Primary Industry, 1979.

MLA (9th ed.) Citation

Densley, D. R. J., and D. J. Purdy. Livestock. Dept. of Primary Industry, 1979.