Cita APA (7a ed.)

Safar, F. G., Stephenson, F. W., & Steer, R. W. (1987). A PC based program for the interactive design of cauer filters.

Cita Chicago Style (17a ed.)

Safar, Félix G., F. W. Stephenson, y R. W. Steer. A PC Based Program for the Interactive Design of Cauer Filters. 1987.

Cita MLA (8a ed.)

Safar, Félix G., et al. A PC Based Program for the Interactive Design of Cauer Filters. 1987.