APA (7th ed.) Citation

Ling, R. F., & Roberts, H. V. (1980). User's manual for IDA. Scientific Press.

Chicago Style (17th ed.) Citation

Ling, Robert F., and Harry V. Roberts. User's Manual for IDA. Palo Alto, CA: Scientific Press, 1980.

MLA (9th ed.) Citation

Ling, Robert F., and Harry V. Roberts. User's Manual for IDA. Scientific Press, 1980.