Cita APA (7a ed.)

Blundell, N. (1986). The world's greatest ghosts. Octopus Books.

Cita Chicago Style (17a ed.)

Blundell, Nigel. The World's Greatest Ghosts. London: Octopus Books, 1986.

Cita MLA (9a ed.)

Blundell, Nigel. The World's Greatest Ghosts. Octopus Books, 1986.