APA   Click to copy
Chazdon, R., Chao, A., Colwell, R. K., Lin, S.-Y., Norden, N., Letcher, S. G., … Arroyo, J. P. (2016). Appendix G. A user's guide for program CLAM, with instructions and a link for downloading the program.

Chicago/Turabian   Click to copy
Chazdon, R., A. Chao, R. K. Colwell, Shang-Yi Lin, Natalia Norden, Susan G. Letcher, David B. Clark, B. Finegan, and J. P. Arroyo. “Appendix G. A User's Guide for Program CLAM, with Instructions and a Link for Downloading the Program.” (2016).

MLA   Click to copy
Chazdon, R., et al. Appendix G. A User's Guide for Program CLAM, with Instructions and a Link for Downloading the Program. 2016.

@article{r2016a,
  title = {Appendix G. A user's guide for program CLAM, with instructions and a link for downloading the program.},
  year = {2016},
  author = {Chazdon, R. and Chao, A. and Colwell, R. K. and Lin, Shang-Yi and Norden, Natalia and Letcher, Susan G. and Clark, David B. and Finegan, B. and Arroyo, J. P.}
}