APA (7th ed.) Citation

Pennington, H. C., Camp, G., & Burris, R. (1983). Getting started on the Sharp 1500 & Radio Shack PC-2. IJG.

Chicago Style (17th ed.) Citation

Pennington, H. C., Gary Camp, and Ralph Burris. Getting Started on the Sharp 1500 & Radio Shack PC-2. Upland, CA: IJG, 1983.

MLA (9th ed.) Citation

Pennington, H. C., et al. Getting Started on the Sharp 1500 & Radio Shack PC-2. IJG, 1983.