Cita APA (7a ed.)

Hergert, D. (1983). Mastering Visicalc. Sybex.

Cita Chicago Style (17a ed.)

Hergert, Douglas. Mastering Visicalc. Berkeley [etc.]: Sybex, 1983.

Cita MLA (9a ed.)

Hergert, Douglas. Mastering Visicalc. Sybex, 1983.