APA (7th ed.) Citation

Doi, T., & Nakajima, H. (1981). Digital audio formats for recording digital communication. SMPTE Journal, 90, 669.

Chicago Style (17th ed.) Citation

Doi, T., and H. Nakajima. "Digital Audio Formats for Recording Digital Communication." SMPTE Journal 90 (1981): 669.

MLA (9th ed.) Citation

Doi, T., and H. Nakajima. "Digital Audio Formats for Recording Digital Communication." SMPTE Journal, vol. 90, 1981, p. 669.