APA

Opie I., Tatem M., . (1989). A dictionary of superstitions. Oxford: Oxford University Press.

Chicago

Opie Iona, Tatem Moira, . 1989. A dictionary of superstitions. Oxford: Oxford University Press.

Harvard

Opie I., Tatem M., . (1989). A dictionary of superstitions. Oxford: Oxford University Press.

MLA

Opie Iona, Tatem Moira, . A dictionary of superstitions. Oxford: Oxford University Press. 1989.