APA (7th ed.) Citation

Cockburn, P. F., & Yap, P. H. (1976). Trees of Sabah. Borneo Literature Bureau for Forest Dept. Sabah.

Chicago Style (17th ed.) Citation

Cockburn, P. F., and Pak Hau Yap. Trees of Sabah. Kuching: Borneo Literature Bureau for Forest Dept. Sabah, 1976.

MLA (8th ed.) Citation

Cockburn, P. F., and Pak Hau Yap. Trees of Sabah. Borneo Literature Bureau for Forest Dept. Sabah, 1976.

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