APA (7th ed.) Citation

Boyer, S. (2012). Understanding spoken English, Teacher's eBook three (International ed.). Boyer Educational Resources.

Chicago Style (17th ed.) Citation

Boyer, Susan. Understanding Spoken English, Teacher's EBook Three. International ed. Glenbrook, [N.S.W.]: Boyer Educational Resources, 2012.

MLA (9th ed.) Citation

Boyer, Susan. Understanding Spoken English, Teacher's EBook Three. International ed. Boyer Educational Resources, 2012.