APA (7th ed.) Citation

Hummel, F. C., & Hilmi, H. A. (1989). Forestry policies in Europe: An analysis. FAO of the United Nations.

Chicago Style (17th ed.) Citation

Hummel, F. C., and H. A. Hilmi. Forestry Policies in Europe: An Analysis. Rome: FAO of the United Nations, 1989.

MLA (9th ed.) Citation

Hummel, F. C., and H. A. Hilmi. Forestry Policies in Europe: An Analysis. FAO of the United Nations, 1989.