APA (7th ed.) Citation

Jensen, M. (1998). Productivity index and field behavior: A case study. [publisher not identified].

Chicago Style (17th ed.) Citation

Jensen, Marianne. Productivity Index and Field Behavior: A Case Study. [Place of publication not identified]: [publisher not identified], 1998.

MLA (9th ed.) Citation

Jensen, Marianne. Productivity Index and Field Behavior: A Case Study. [publisher not identified], 1998.