Cita APA (7a ed.)

Hellerman, H., & Smith, I. A. (1976). APL-360 programming and applications. McGraw-Hill.

Cita Chicago Style (17a ed.)

Hellerman, Herbert, y Ira A. Smith. APL-360 Programming and Applications. New York [etc.]: McGraw-Hill, 1976.

Cita MLA (9a ed.)

Hellerman, Herbert, y Ira A. Smith. APL-360 Programming and Applications. McGraw-Hill, 1976.