Cita APA (7th ed.)

Northup, C. S. (1970). A bibliography of Thomas Gray. Russell & Russell.

Cita Chicago (17th ed.)

Northup, Clark Sutherland. A Bibliography of Thomas Gray. New York: Russell & Russell, 1970.

Cita MLA (9th ed.)

Northup, Clark Sutherland. A Bibliography of Thomas Gray. Russell & Russell, 1970.