APA (7th ed.) Citation

Hardjono, J. M.. (1991). Indonesia: Resources, ecology, and environment. Oxford University Press.

Chicago Style (17th ed.) Citation

Hardjono, J. M. Indonesia: Resources, Ecology, and Environment. Singapore ; New York: Oxford University Press, 1991.

MLA (9th ed.) Citation

Hardjono, J. M. Indonesia: Resources, Ecology, and Environment. Oxford University Press, 1991.