APA (7th ed.) Citation

Ruhe, V. (1998). E-mail exchanges: Teaching language, culture and technology for the 21st century. [s.n.].

Chicago Style (17th ed.) Citation

Ruhe, Valerie. E-mail Exchanges: Teaching Language, Culture and Technology for the 21st Century. [S.l.]: [s.n.], 1998.

MLA (9th ed.) Citation

Ruhe, Valerie. E-mail Exchanges: Teaching Language, Culture and Technology for the 21st Century. [s.n.], 1998.