APA

Reg Gray, . (1982). Spy Stories for Boys. New York: Hamlyn publishing.

Chicago

Reg Gray, . 1982. Spy Stories for Boys. New York: Hamlyn publishing.

Harvard

Reg Gray, . (1982). Spy Stories for Boys. New York: Hamlyn publishing.

MLA

Reg Gray, . Spy Stories for Boys. New York: Hamlyn publishing. 1982.