APA   Click to copy
Root, M. J., & Madden, M. E. E. (2012). Potential effects of obliquity change on gas hydrate stability zones on Mars. Icarus, 218, 534–544.

Chicago/Turabian   Click to copy
Root, Margaret J, and Megan E Elwood Madden. “Potential Effects of Obliquity Change on Gas Hydrate Stability Zones on Mars.” Icarus 218 (2012): 534–544.

MLA   Click to copy
Root, Margaret J., and Megan E. Elwood Madden. “Potential Effects of Obliquity Change on Gas Hydrate Stability Zones on Mars.” Icarus, vol. 218, Academic Press, 2012, pp. 534–44.

@article{root2012a,
  title = {Potential effects of obliquity change on gas hydrate stability zones on Mars},
  year = {2012},
  journal = {Icarus},
  pages = {534--544},
  publisher = {Academic Press},
  volume = {218},
  author = {Root, Margaret J and Madden, Megan E Elwood}
}