APA (7th ed.) Citation

Hays, D. G. (1967). Linguistic foundations for a theory of content analysis. [publisher not identified].

Chicago Style (17th ed.) Citation

Hays, David G. Linguistic Foundations for a Theory of Content Analysis. [Santa Monica]: [publisher not identified], 1967.

MLA (9th ed.) Citation

Hays, David G. Linguistic Foundations for a Theory of Content Analysis. [publisher not identified], 1967.