APA (7th ed.) Citation

Merton, R. K. (1956). The focused interview: A manual of problems and procedures. Free Press.

Chicago Style (17th ed.) Citation

Merton, Robert King. The Focused Interview: A Manual of Problems and Procedures. Glencoe, Ill.: Free Press, 1956.

MLA (9th ed.) Citation

Merton, Robert King. The Focused Interview: A Manual of Problems and Procedures. Free Press, 1956.