APA (7th ed.) Citation

Evans V. Virginia & Obee B. Bob. (2020). Upstream. B2+: Student's book (8th ed.). Newbury, Express Publishing, 2020.

Chicago Style (17th ed.) Citation

Evans V. Virginia and Obee B. Bob. Upstream. B2+: Student's Book. 8th ed. Newbury, Express Publishing, 2020, 2020.

MLA (9th ed.) Citation

Evans V. Virginia and Obee B. Bob. Upstream. B2+: Student's Book. 8th ed. Newbury, Express Publishing, 2020, 2020.