APA aipamena

Grebner, D. L., Bettinger, P., & Siry, J. P. (2013). Introduction to forestry and natural resources. Academic Press.

Chicago Style aipamena

Grebner, Donald L., Pete Bettinger, and Jacek P. Siry. Introduction to Forestry and Natural Resources. London, UK: Academic Press, 2013.

MLA aipamena

Grebner, Donald L., et al. Introduction to Forestry and Natural Resources. Academic Press, 2013.