APA

American Catholic Philosophical Association, McLean G. F., . (1978). Immateriality. Washington (D.C.): National Office of the American Catholic Philosophical Association.

Chicago

American Catholic Philosophical Association, McLean George F, . 1978. Immateriality. Washington (D.C.): National Office of the American Catholic Philosophical Association.

Harvard

American Catholic Philosophical Association, McLean G. F., . (1978). Immateriality. Washington (D.C.): National Office of the American Catholic Philosophical Association.

MLA

American Catholic Philosophical Association, McLean George F, . Immateriality. Washington (D.C.): National Office of the American Catholic Philosophical Association. 1978.