APA (7th ed.) Citation

Gilmour, I. A., Harwood, C. E., & Kilroy, C. (1987). Cocoa. Dept. of Minerals and Energy.

Chicago Style (17th ed.) Citation

Gilmour, Ian Alexander, C. E. Harwood, and C. Kilroy. Cocoa. [Port Moresby]: Dept. of Minerals and Energy, 1987.

MLA (9th ed.) Citation

Gilmour, Ian Alexander, et al. Cocoa. Dept. of Minerals and Energy, 1987.