MLA

Koehne, P.; Obladen, M, et al. Interventions for Persisting Ductus Arteriosus In the Preterm Infant. Springer Berlin Heidelberg, 2005.

APA

Koehne, M., & Koehne, P., Obladen, M., Obladen, M., & Koehne, P. (2005). Interventions for Persisting Ductus Arteriosus in the Preterm Infant. Springer Berlin Heidelberg.

Chicago

Koehne, P.; Obladen, M., Petra Koehne, Michael Obladen, M Obladen, and P Koehne. Interventions for Persisting Ductus Arteriosus In the Preterm Infant. : Springer Berlin Heidelberg, 2005.