APA (7th ed.) Citation

Lee, C. (2017). 21st century communication: : listening, speaking, and critical thinking. National Geographic Learning.

Chicago Style (17th ed.) Citation

Lee, Christien. 21st Century Communication: : Listening, Speaking, and Critical Thinking. Australia: National Geographic Learning, 2017.

MLA (8th ed.) Citation

Lee, Christien. 21st Century Communication: : Listening, Speaking, and Critical Thinking. National Geographic Learning, 2017.

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