APA

Kubler-Ross E., Grip G. & Ross K. (1999). The Tunnel and The Light: Essential Insights On Living and Dying. New York: Marolowe and Company.

Chicago

Kubler-Ross Elisabeth, Grip Goran and Ross Ken. 1999. The Tunnel and The Light: Essential Insights On Living and Dying. New York: Marolowe and Company.

Harvard

Kubler-Ross E., Grip G. and Ross K. (1999). The Tunnel and The Light: Essential Insights On Living and Dying. New York: Marolowe and Company.

MLA

Kubler-Ross Elisabeth, Grip Goran and Ross Ken. The Tunnel and The Light: Essential Insights On Living and Dying. New York: Marolowe and Company. 1999.