APA Style

Tschohl, John. (1991). Achieving excellence through customer service . New York: Prentice Hall.

Chicago Style

Tschohl, John. Achieving excellence through customer service. New York: Prentice Hall, 1991. Printed Material.

MLA Style

Tschohl, John. Achieving excellence through customer service. New York: Prentice Hall, 1991. Printed Material.

Turabian Style

Tschohl, John. Achieving excellence through customer service. New York: Prentice Hall, 1991. Printed Material.