American Psychological Association
Trumbull, Charles P ( 1994 ). Britannica Book of the Year 1994 ( 00 ed. ). Encyclopaedia Britannica Ltd.
Modern Language Association
Trumbull, Charles P. Britannica Book of the Year 1994 . Encyclopaedia Britannica Ltd. 1994
Chicago Citation
Trumbull, Charles P. Britannica Book of the Year 1994 . 00 .London
: Encyclopaedia Britannica Ltd, 1994.
American Medical Association
Trumbull, Charles P. Britannica Book of the Year 1994 . Encyclopaedia Britannica Ltd; 1994.