APA (7th ed.) Citation

Gomm, R. H. (2000). Case study method: Key issues, key texts. Sage.

Chicago Style (17th ed.) Citation

Gomm, Roger Hammersley. Case Study Method: Key Issues, Key Texts. London: Sage, 2000.

MLA (9th ed.) Citation

Gomm, Roger Hammersley. Case Study Method: Key Issues, Key Texts. Sage, 2000.