APA (7th ed.) Citation

Usher, G., & Usher, S. (1980). The graveyard companion: Twenty stories of fantasy and terror. Elsevier/Nelson Books.

Chicago Style (17th ed.) Citation

Usher, Gray, and Shaun Usher. The Graveyard Companion: Twenty Stories of Fantasy and Terror. New York: Elsevier/Nelson Books, 1980.

MLA (8th ed.) Citation

Usher, Gray, and Shaun Usher. The Graveyard Companion: Twenty Stories of Fantasy and Terror. Elsevier/Nelson Books, 1980.