Cita APA (7a ed.)
Hoare-Jifeng, H. (1998). Unifying theories of programming. Prentice Hall.
Cita Chicago Style (17a ed.)
Hoare-Jifeng, He. Unifying Theories of Programming. London: Prentice Hall, 1998.
Cita MLA (9a ed.)
Hoare-Jifeng, He. Unifying Theories of Programming. Prentice Hall, 1998.
Precaución: Estas citas no son 100% exactas.