APA (7th ed.) Citation

IS, A., & AH, A. (2018). The efficacy of self-directed learning versus problem-based learning for teaching and learning ophthalmology: A comparative study. Dove Medical Press.

Chicago Style (17th ed.) Citation

IS, Atta, and Alghamdi AH. The Efficacy of Self-directed Learning Versus Problem-based Learning for Teaching and Learning Ophthalmology: A Comparative Study. Dove Medical Press, 2018.

MLA (9th ed.) Citation

IS, Atta, and Alghamdi AH. The Efficacy of Self-directed Learning Versus Problem-based Learning for Teaching and Learning Ophthalmology: A Comparative Study. Dove Medical Press, 2018.

Warning: These citations may not always be 100% accurate.