APA (7th ed.) Citation

Walker, K. M. (1961). The extra-sensory mind. Emerson Books.

Chicago Style (17th ed.) Citation

Walker, Kenneth Macfarlane. The Extra-sensory Mind. New York: Emerson Books, 1961.

MLA (9th ed.) Citation

Walker, Kenneth Macfarlane. The Extra-sensory Mind. Emerson Books, 1961.