Cita APA (7a ed.)
Dijkstra, E. W. (1990). Formal development of programs and proofs (1.vyd.). Addison-Wesley Publishing Company.
Cita Chicago Style (17a ed.)
Dijkstra, Edsger W. Formal Development of Programs and Proofs. 1.vyd. Reading: Addison-Wesley Publishing Company, 1990.
Cita MLA (9a ed.)
Dijkstra, Edsger W. Formal Development of Programs and Proofs. 1.vyd. Addison-Wesley Publishing Company, 1990.
Precaución: Estas citas no son 100% exactas.