APA (7th ed.) Citation

Batterson, J. G. (1986). STEP and STEPSPL--computer programs for aerodynamic model structure determination and parameter estimation. National Aeronautics and Space Administration, Langley Research Center.

Chicago Style (17th ed.) Citation

Batterson, James G. STEP and STEPSPL--computer Programs for Aerodynamic Model Structure Determination and Parameter Estimation. Hampton, Va.: National Aeronautics and Space Administration, Langley Research Center, 1986.

MLA (9th ed.) Citation

Batterson, James G. STEP and STEPSPL--computer Programs for Aerodynamic Model Structure Determination and Parameter Estimation. National Aeronautics and Space Administration, Langley Research Center, 1986.