APA (7th ed.) Citation

Zeldenrust, S. (1989). Ambiguity, choice and control in research. s.n..

Chicago Style (17th ed.) Citation

Zeldenrust, Sjerp. Ambiguity, Choice and Control in Research. [Amsterdam?: s.n., 1989.

MLA (8th ed.) Citation

Zeldenrust, Sjerp. Ambiguity, Choice and Control in Research. s.n., 1989.