APA

(1989). Webster's encyclopedic unabridged dictionary of the English language. New York [u.a.]: Gramercy Books.

Chicago

1989. Webster's encyclopedic unabridged dictionary of the English language. New York [u.a.]: Gramercy Books.

Harvard

(1989). Webster's encyclopedic unabridged dictionary of the English language. New York [u.a.]: Gramercy Books.

MLA

Webster's encyclopedic unabridged dictionary of the English language. New York [u.a.]: Gramercy Books. 1989.