APA (7th ed.) Citation

Ewins, D. J. (1986). Modal testing: Theory and practice. Research Studies Press.

Chicago Style (17th ed.) Citation

Ewins, D. J. Modal Testing: Theory and Practice. Letchworth, Hertfordshire, England: Research Studies Press, 1986.

MLA (9th ed.) Citation

Ewins, D. J. Modal Testing: Theory and Practice. Research Studies Press, 1986.