APA (7th ed.) Citation

Gittus, E. (1972). Key variables in social research. Heinemann Educational for the British Sociological Association.

Chicago Style (17th ed.) Citation

Gittus, Elizabeth. Key Variables in Social Research. London: Heinemann Educational for the British Sociological Association, 1972.

MLA (9th ed.) Citation

Gittus, Elizabeth. Key Variables in Social Research. Heinemann Educational for the British Sociological Association, 1972.