APA   Click to copy
Miller, M. A., Madden, A. S., Madden, M. E., & Elmore, R. D. (2012). Laboratory-simulated diagenesis of nontronite. Clays and Clay Minerals, 60, 616–632.

Chicago/Turabian   Click to copy
Miller, Matthew A, Andrew S Madden, Megan Elwood Madden, and R Douglas Elmore. “Laboratory-Simulated Diagenesis of Nontronite.” Clays and clay minerals 60 (2012): 616–632.

MLA   Click to copy
Miller, Matthew A., et al. “Laboratory-Simulated Diagenesis of Nontronite.” Clays and Clay Minerals, vol. 60, Cambridge University Press \& Assessment, 2012, pp. 616–32.

@article{miller2012a,
  title = {Laboratory-simulated diagenesis of nontronite},
  year = {2012},
  journal = {Clays and clay minerals},
  pages = {616--632},
  publisher = {Cambridge University Press \& Assessment},
  volume = {60},
  author = {Miller, Matthew A and Madden, Andrew S and Madden, Megan Elwood and Elmore, R Douglas}
}