Cita APA (7a ed.)

Jackson, R. (1991). Unexplained mysteries of World War II. Apple Press.

Cita Chicago Style (17a ed.)

Jackson, Robert. Unexplained Mysteries of World War II. London: Apple Press, 1991.

Cita MLA (9a ed.)

Jackson, Robert. Unexplained Mysteries of World War II. Apple Press, 1991.