APA (7th ed.) Citation

Ewins, D. J. (1984). Modal testing: Theory and practice. Research Studies Pr. u.a.

Chicago Style (17th ed.) Citation

Ewins, D. J. Modal Testing: Theory and Practice. Letchworth, Hertfordshire, England u.a: Research Studies Pr. u.a, 1984.

MLA (9th ed.) Citation

Ewins, D. J. Modal Testing: Theory and Practice. Research Studies Pr. u.a, 1984.