APA   Click to copy
Marolla, C., & Sommer, A. (2016). 15. City of New York.

Chicago/Turabian   Click to copy
Marolla, Cesar, and A. Sommer. “15. City of New York” (2016).

MLA   Click to copy
Marolla, Cesar, and A. Sommer. 15. City of New York. 2016.

@article{cesar2016a,
  title = {15. City of New York},
  year = {2016},
  author = {Marolla, Cesar and Sommer, A.}
}