APA
European Society for Research in Ethics, Willigenburg T. v. & Heeger R. (1993). The turn to applied ethics. Kampen: Kok Pharos.
Chicago
European Society for Research in Ethics, Willigenburg Theodoor van and Heeger Robert. 1993. The turn to applied ethics. Kampen: Kok Pharos.
Harvard
European Society for Research in Ethics, Willigenburg T. v. and Heeger R. (1993). The turn to applied ethics. Kampen: Kok Pharos.
MLA
European Society for Research in Ethics, Willigenburg Theodoor van and Heeger Robert. The turn to applied ethics. Kampen: Kok Pharos. 1993.