APA (7th ed.) Citation

Dummett, P., Dummett, P., Stephenson, H., Stephenson, H., Lansford, L., Lansford, L., & Walker, R. (2017). Keynote 3. National Geographic Learning, Cengage Learning.

Chicago Style (17th ed.) Citation

Dummett, Paul, Paul Dummett, Helen Stephenson, Helen Stephenson, Lewis Lansford, Lewis Lansford, and Richard Walker. Keynote 3. Australia ; Brazil ; Mexico ; Singapore ; United Kingdom ; United States: National Geographic Learning, Cengage Learning, 2017.

MLA (9th ed.) Citation

Dummett, Paul, et al. Keynote 3. National Geographic Learning, Cengage Learning, 2017.