APA (7th ed.) Citation

Nicolai, O., & Wenzel, J. (2012). Four times through the labyrinth. Spector Books ; Rollo Press.

Chicago Style (17th ed.) Citation

Nicolai, Olaf, and Jan Wenzel. Four Times Through the Labyrinth. Leipzig : Zürich: Spector Books ; Rollo Press, 2012.

MLA (9th ed.) Citation

Nicolai, Olaf, and Jan Wenzel. Four Times Through the Labyrinth. Spector Books ; Rollo Press, 2012.