APA استشهاد

Likens, G. E., Strayer, D. L., & Weathers, K. C. (2013). Fundamentals of Ecosystem Science.

استشهاد بنمط شيكاغو

Likens, Gene E., David L. Strayer, و Kathleen C. Weathers. Fundamentals of Ecosystem Science. Amsterdan, Elsevier, 2013.

MLA استشهاد

Likens, Gene E., et al. Fundamentals of Ecosystem Science. 2013.