Software Engineering and Formal Methods
  MLA
  Johnsen,  Ina Schaefer, and Ina Schaefer. Software Engineering and Formal Methods. Springer International Publishing, 2018.
  APA
  Johnsen, J., Ina Schaefer, I. Schaefer, & Schaefer, I. (2018). Software Engineering and Formal Methods. Springer International Publishing.
  Chicago
  Johnsen,  Ina Schaefer, and Ina Schaefer. Software Engineering and Formal Methods. : Springer International Publishing, 2018.