APA (7th ed.) Citation

Havel, J. J. (1970). Forest botany. Papua New Guinea Dept. of Forests.

Chicago Style (17th ed.) Citation

Havel, J. J. Forest Botany. Port Moresby: Papua New Guinea Dept. of Forests, 1970.

MLA (9th ed.) Citation

Havel, J. J. Forest Botany. Papua New Guinea Dept. of Forests, 1970.