APA (7th ed.) Citation

Robbins, J. (1990). Lotus 1-2-3 step-by-step. SAMS.

Chicago Style (17th ed.) Citation

Robbins, Judd. Lotus 1-2-3 Step-by-step. Carmel, IN: SAMS, 1990.

MLA (9th ed.) Citation

Robbins, Judd. Lotus 1-2-3 Step-by-step. SAMS, 1990.