Cita APA (7a ed.)

Conway, R., & Gries, D. (1975). An Introduction to Programming: A Structured Approach Using PL/1 and PL/C-7. Winthrop.

Cita Chicago Style (17a ed.)

Conway, Richard, y David Gries. An Introduction to Programming: A Structured Approach Using PL/1 and PL/C-7. Cambridge: Winthrop, 1975.

Cita MLA (9a ed.)

Conway, Richard, y David Gries. An Introduction to Programming: A Structured Approach Using PL/1 and PL/C-7. Winthrop, 1975.