APA (7th ed.) Citation

Holzner, W., Werger, M. J. A., & Ikushima, I. (1983). Man's impact on vegetation.

Chicago Style (17th ed.) Citation

Holzner, W., M. J. A. Werger, and Isao Ikushima. Man's Impact on Vegetation. Hague : Boston, 1983.

MLA (9th ed.) Citation

Holzner, W., et al. Man's Impact on Vegetation. 1983.