APA

Gross C., . (1951). The sources and literature of English history from the earliest times to about 1485. New York: AP.S. Smith.

Chicago

Gross Charles, . 1951. The sources and literature of English history from the earliest times to about 1485. New York: AP.S. Smith.

Harvard

Gross C., . (1951). The sources and literature of English history from the earliest times to about 1485. New York: AP.S. Smith.

MLA

Gross Charles, . The sources and literature of English history from the earliest times to about 1485. New York: AP.S. Smith. 1951.