APA (7th ed.) Citation

Russell, G. O. (1970). The vowel: Its physiological mechanism as shown by x-ray. McGrath.

Chicago Style (17th ed.) Citation

Russell, G. O. The Vowel: Its Physiological Mechanism as Shown by X-ray. College Park, Md: McGrath, 1970.

MLA (9th ed.) Citation

Russell, G. O. The Vowel: Its Physiological Mechanism as Shown by X-ray. McGrath, 1970.