APA (7th ed.) Citation

Johnson, B. M. (1993). Validation of a modified closed circuit, oxygen dilution residual volume method. [publisher not identified].

Chicago Style (17th ed.) Citation

Johnson, Brenda M. Validation of a Modified Closed Circuit, Oxygen Dilution Residual Volume Method. [Place of publication not identified]: [publisher not identified], 1993.

MLA (9th ed.) Citation

Johnson, Brenda M. Validation of a Modified Closed Circuit, Oxygen Dilution Residual Volume Method. [publisher not identified], 1993.