APA (7th ed.) Citation

Nash, E. L., Jungmann, V., Kašík, R., & Marša, J. (2003). Direct marketing. Computer Press.

Chicago Style (17th ed.) Citation

Nash, Edward L., Vilém Jungmann, René Kašík, and Jakub Marša. Direct Marketing. Brno: Computer Press, 2003.

MLA (9th ed.) Citation

Nash, Edward L., et al. Direct Marketing. Computer Press, 2003.