APA (7th ed.) Citation

Duffy, N., & Lewicke, A. (2014). Chemistry: Thermodynamics and enthalpy. Annenberg Learner.

Chicago Style (17th ed.) Citation

Duffy, Neal, and Anna Lewicke. Chemistry: Thermodynamics and Enthalpy. District of Columbia: Annenberg Learner, 2014.

MLA (9th ed.) Citation

Duffy, Neal, and Anna Lewicke. Chemistry: Thermodynamics and Enthalpy. Annenberg Learner, 2014.