APA (7th ed.) Citation

Smith, A. W. (1986). Responsible risk-taking inventory (R2I). [publisher not identified].

Chicago Style (17th ed.) Citation

Smith, August W. Responsible Risk-taking Inventory (R2I). [Place of publication not identified]: [publisher not identified], 1986.

MLA (9th ed.) Citation

Smith, August W. Responsible Risk-taking Inventory (R2I). [publisher not identified], 1986.