The MBasic handbook.

MLA

Ettlin, Walter A., and Gregory Solberg. The Mbasic Handbook. Berkeley: Osborne, 1983.

APA

Ettlin, W. A., & Solberg, G. (1983). The MBasic handbook. Berkeley: Osborne.

Chicago

Ettlin, Walter A., and Gregory Solberg. The Mbasic Handbook. Berkeley: Osborne, 1983.