APA (7th ed.) Citation

Poets, C. F., Franz, A., & Koehne, P. (2011). Controversies around treatment of the open duct. Springer Berlin Heidelberg.

Chicago Style (17th ed.) Citation

Poets, Christian F., Axel Franz, and Petra Koehne. Controversies Around Treatment of the Open Duct. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011.

MLA (8th ed.) Citation

Poets, Christian F., et al. Controversies Around Treatment of the Open Duct. Springer Berlin Heidelberg, 2011.