Cita APA (7a ed.)

Kessler, R. R., & Petajan, A. R. (1988). LISP, objects, and symbolic programming. Scott, Foresman and Company.

Cita Chicago Style (17a ed.)

Kessler, Robert R., y Amy R. Petajan. LISP, Objects, and Symbolic Programming. Glenview, Illinois [etc.]: Scott, Foresman and Company, 1988.

Cita MLA (9a ed.)

Kessler, Robert R., y Amy R. Petajan. LISP, Objects, and Symbolic Programming. Scott, Foresman and Company, 1988.