Cita APA (7a ed.)

Shearman, J. O. (1990). User's manual for WSPRO: A computer model for water surface profile computations. Federal Highway Administration.

Cita Chicago Style (17a ed.)

Shearman, J. O. User's Manual for WSPRO: A Computer Model for Water Surface Profile Computations. McLean, Va.: Federal Highway Administration, 1990.

Cita MLA (8a ed.)

Shearman, J. O. User's Manual for WSPRO: A Computer Model for Water Surface Profile Computations. Federal Highway Administration, 1990.