APA (7th ed.) Citation

(2004). Professional ethics and etiquette (2nd ed.). Checkmark.

Chicago Style (17th ed.) Citation

Professional Ethics and Etiquette. 2nd ed. New York: Checkmark, 2004.

MLA (9th ed.) Citation

Professional Ethics and Etiquette. 2nd ed. Checkmark, 2004.

Warning: These citations may not always be 100% accurate.