Cita APA

 Schalkoff, R. J. (2007).  Programming languages and methodologies.  Jones and Bartlett Publishers.

Citación estilo Chicago

 Schalkoff, Robert J.  Programming Languages and Methodologies.  Jones and Bartlett Publishers, 2007.

Cita MLA

 Schalkoff, Robert J.  Programming Languages and Methodologies.  Jones and Bartlett Publishers, 2007.

Precaución: Estas citas no son 100% exactas.