APA
Simkin P., Ancheta R. & Myers S. (2005). The labor progress handbook : early interventions to prevent and treat dystocia. Oxford ; Malden, MA: Blackwell Publishing.
Chicago
Simkin Penny, Ancheta Ruth and Myers Suzy. 2005. The labor progress handbook : early interventions to prevent and treat dystocia. Oxford ; Malden, MA: Blackwell Publishing.
Harvard
Simkin P., Ancheta R. and Myers S. (2005). The labor progress handbook : early interventions to prevent and treat dystocia. Oxford ; Malden, MA: Blackwell Publishing.
MLA
Simkin Penny, Ancheta Ruth and Myers Suzy. The labor progress handbook : early interventions to prevent and treat dystocia. Oxford ; Malden, MA: Blackwell Publishing. 2005.