APA   Click to copy
Greiff, S., & Wüstenberg, S. (2015). COMPRO. Komplexer Problemlösetest [COMPRO. Complex problem solving test]. Mödling: Schuhfried.

Chicago/Turabian   Click to copy
Greiff, S., and S. Wüstenberg. COMPRO. Komplexer Problemlösetest [COMPRO. Complex Problem Solving Test]. Mödling: Schuhfried, 2015.

MLA   Click to copy
Greiff, S., and S. Wüstenberg. COMPRO. Komplexer Problemlösetest [COMPRO. Complex Problem Solving Test]. Schuhfried, 2015.

@manual{greiff2015a,
  title = {COMPRO. Komplexer Problemlösetest [COMPRO. Complex problem solving test]},
  year = {2015},
  address = {Mödling},
  publisher = {Schuhfried},
  author = {Greiff, S. and Wüstenberg, S.}
}