APA (7th ed.) Citation

Hopkins, R. T. (1955). The world's strangest ghost stories. World's Work.

Chicago Style (17th ed.) Citation

Hopkins, R. Thurston. The World's Strangest Ghost Stories. Kingswood, Surrey: World's Work, 1955.

MLA (8th ed.) Citation

Hopkins, R. Thurston. The World's Strangest Ghost Stories. World's Work, 1955.