APA (7e ed.) Bronvermelding
Engstrom, S. P. (2009). The form of practical knowledge: A study of the categorical imperative. Harvard University Press.
Chicago (17e ed.) Bronvermelding
Engstrom, Stephen P. The Form of Practical Knowledge: A Study of the Categorical Imperative. Cambridge, Mass.: Harvard University Press, 2009.
MLA (9e ed.) Bronvermelding
Engstrom, Stephen P. The Form of Practical Knowledge: A Study of the Categorical Imperative. Harvard University Press, 2009.
Let op: Deze citaties zijn niet altijd 100% accuraat.