APA (7th ed.) Citation

Lang, G. (1997). A practical guide to research methods (6th ed.).

Chicago Style (17th ed.) Citation

Lang, Gerhard. A Practical Guide to Research Methods. 6th ed. University Preess of America, 1997.

MLA (9th ed.) Citation

Lang, Gerhard. A Practical Guide to Research Methods. 6th ed. 1997.