APA Citation

Chamot...et.al., A. U. UP close: English for global communication. Heinle and Heinle.

Chicago Style Citation

Chamot...et.al., Ana Uhl. UP Close: English for Global Communication. Heinle and Heinle.

MLA Citation

Chamot...et.al., Ana Uhl. UP Close: English for Global Communication. Heinle and Heinle.

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