APA (7th ed.) Citation

Lansford, L. (2016). Keynote: Intermediate. Workbook (1a. ed.). National Geographic Learning.

Chicago Style (17th ed.) Citation

Lansford, Lewis. Keynote: Intermediate. Workbook. 1a. ed. Hampshire: National Geographic Learning, 2016.

MLA (9th ed.) Citation

Lansford, Lewis. Keynote: Intermediate. Workbook. 1a. ed. National Geographic Learning, 2016.