APA

(1993). Webster's encyclopedic unabirdged dictionary of the english language. Estados Unidos de América: Gramercy Books.

Chicago

1993. Webster's encyclopedic unabirdged dictionary of the english language. Estados Unidos de América: Gramercy Books.

Harvard

(1993). Webster's encyclopedic unabirdged dictionary of the english language. Estados Unidos de América: Gramercy Books.

MLA

Webster's encyclopedic unabirdged dictionary of the english language. Estados Unidos de América: Gramercy Books. 1993.