APA citiranje

Johns, R. J. (1977). The vegetation of Papua New Guinea: Training manual for the Forestry College. Forestry College.

Chicago Style (17th ed.) Citation

Johns, R. J. The Vegetation of Papua New Guinea: Training Manual for the Forestry College. [Bulolo]: Forestry College, 1977.

MLA citiranje

Johns, R. J. The Vegetation of Papua New Guinea: Training Manual for the Forestry College. Forestry College, 1977.