APA

Dykstra C. R., Craig R. Dykstra, .Vision and character. New York: .

Chicago

Dykstra Craig R, Craig R. Dykstra, .Vision and character. New York: .

Harvard

Dykstra C. R., Craig R. Dykstra, .Vision and character. New York: .

MLA

Dykstra Craig R, Craig R. Dykstra, .New York: . .