Cita APA (7a ed.)

Mardis, M. A., & Ambavarapu, C. R. (2017). Usage Data as Indicators of OER Utility.

Cita Chicago Style (17a ed.)

Mardis, Marcia A., y Chandrahasa R. Ambavarapu. Usage Data as Indicators of OER Utility. 2017.

Cita MLA (9a ed.)

Mardis, Marcia A., y Chandrahasa R. Ambavarapu. Usage Data as Indicators of OER Utility. 2017.