APA (7th ed.) Citation

Guttag, J. V., & Horning, J. J. (1991). Introduction to LCL, a Larch/C interface language. Digital, Systems Research Center.

Chicago Style (17th ed.) Citation

Guttag, John V., and J. J. Horning. Introduction to LCL, a Larch/C Interface Language. Palo Alto, Calif.: Digital, Systems Research Center, 1991.

MLA (9th ed.) Citation

Guttag, John V., and J. J. Horning. Introduction to LCL, a Larch/C Interface Language. Digital, Systems Research Center, 1991.