APA (7th ed.) Citation

Peter, H., Penzel, T., Peter, J. H., & Peter, J. G. (2019). Enzyklopädie der Schlafmedizin (Book and Living Reference Work (Continuously updated edition).). Springer. https://doi.org/10.1007/978-3-642-54672-3

Chicago Style (17th ed.) Citation

Peter, Helga, Thomas Penzel, Jörg H. Peter, and Jan Giso Peter. Enzyklopädie Der Schlafmedizin. Book and Living Reference Work (Continuously updated edition). Berlin ; Heidelberg: Springer, 2019. https://doi.org/10.1007/978-3-642-54672-3.

MLA (9th ed.) Citation

Peter, Helga, et al. Enzyklopädie Der Schlafmedizin. Book and Living Reference Work (Continuously updated edition). Springer, 2019. https://doi.org/10.1007/978-3-642-54672-3.