Cite
Carbon starvation in glacial trees recovered from the La Brea tar pits, southern California.
MLA
Ward, Joy K., et al. “Carbon Starvation in Glacial Trees Recovered from the La Brea Tar Pits, Southern California.” Proceedings of the National Academy of Sciences of the United States of America, vol. 102, no. 3, Jan. 2005, pp. 690–94. EBSCOhost, https://doi.org/10.1073/pnas.0408315102.
APA
Ward, J. K., Harris, J. M., Cerling, T. E., Wiedenhoeft, A., Lott, M. J., Dearing, M.-D., Coltrain, J. B., & Ehleringer, J. R. (2005). Carbon starvation in glacial trees recovered from the La Brea tar pits, southern California. Proceedings of the National Academy of Sciences of the United States of America, 102(3), 690–694. https://doi.org/10.1073/pnas.0408315102
Chicago
Ward, Joy K., John M. Harris, Thure E. Cerling, Alex Wiedenhoeft, Michael J. Lott, Maria-Denise Dearing, Joan B. Coltrain, and James R. Ehleringer. 2005. “Carbon Starvation in Glacial Trees Recovered from the La Brea Tar Pits, Southern California.” Proceedings of the National Academy of Sciences of the United States of America 102 (3): 690–94. doi:10.1073/pnas.0408315102.