APA

Schumaker David,, . (1978). Seven language dictionary. New York: Gramercy Books.

Chicago

Schumaker David,, . 1978. Seven language dictionary. New York: Gramercy Books.

Harvard

Schumaker David,, . (1978). Seven language dictionary. New York: Gramercy Books.

MLA

Schumaker David,, . Seven language dictionary. New York: Gramercy Books. 1978.