APA

Grigson G., . (1963). The Concise encyclopedia of modern world literature. New York: Hawthorn Books.

Chicago

Grigson Geoffrey, . 1963. The Concise encyclopedia of modern world literature. New York: Hawthorn Books.

Harvard

Grigson G., . (1963). The Concise encyclopedia of modern world literature. New York: Hawthorn Books.

MLA

Grigson Geoffrey, . The Concise encyclopedia of modern world literature. New York: Hawthorn Books. 1963.