APA   Click to copy
Goldberg, S. B., Xie, Q., Yu, Q., & Nahum-Shani, I. Ecological momentary and just-in-time adaptive interventions in psychology. First Draft in Progress.

Chicago/Turabian   Click to copy
Goldberg, Simon B., Qiang Xie, Qinggang Yu, and Inbal Nahum-Shani. “Ecological Momentary and Just-in-Time Adaptive Interventions in Psychology.” First draft in progress (n.d.).

MLA   Click to copy
Goldberg, Simon B., et al. “Ecological Momentary and Just-in-Time Adaptive Interventions in Psychology.” First Draft in Progress.

@article{simon-a,
  title = {Ecological momentary and just-in-time adaptive interventions in psychology},
  journal = {First draft in progress},
  author = {Goldberg, Simon B. and Xie, Qiang and Yu, Qinggang and Nahum-Shani, Inbal}
}