APA (7th ed.) Citation

Gunn, N. M. (1986). The key of the chest. Souvenir Press.

Chicago Style (17th ed.) Citation

Gunn, Neil Miller. The Key of the Chest. London: Souvenir Press, 1986.

MLA (9th ed.) Citation

Gunn, Neil Miller. The Key of the Chest. Souvenir Press, 1986.