APA (7th ed.) Citation

Laarman, J. G., Stewart, T. P., & Prestemon, J. P. (1988). International travel by U.S. conservation groups and professional societies. Forestry Private Ebterprise Initiative.

Chicago Style (17th ed.) Citation

Laarman, Jan G., Timothy P. Stewart, and Jeffrey P. Prestemon. International Travel by U.S. Conservation Groups and Professional Societies. North Carolina: Forestry Private Ebterprise Initiative, 1988.

MLA (9th ed.) Citation

Laarman, Jan G., et al. International Travel by U.S. Conservation Groups and Professional Societies. Forestry Private Ebterprise Initiative, 1988.