APA (7th ed.) Citation

Haykin, D. J. (1951). Subject headings: A practical guide. U.S. Govt. Off.

Chicago Style (17th ed.) Citation

Haykin, David Judson. Subject Headings: A Practical Guide. Washington: U.S. Govt. Off, 1951.

MLA (9th ed.) Citation

Haykin, David Judson. Subject Headings: A Practical Guide. U.S. Govt. Off, 1951.