APA (7th ed.) Citation

Khalil, T., Sajid, M., Zafar, B., Ratyal, N., Ali, N., Ahmed, J., . . . Dar, S. H. (2019). Content-Based Image Retrieval and Feature Extraction: A Comprehensive Review. Mathematical problems in engineering, 2019(2019), 1-21. https://doi.org/10.1155/2019/9658350

Chicago Style (17th ed.) Citation

Khalil, Tehmina, et al. "Content-Based Image Retrieval and Feature Extraction: A Comprehensive Review." Mathematical Problems in Engineering 2019, no. 2019 (2019): 1-21. https://doi.org/10.1155/2019/9658350.

MLA (9th ed.) Citation

Khalil, Tehmina, et al. "Content-Based Image Retrieval and Feature Extraction: A Comprehensive Review." Mathematical Problems in Engineering, vol. 2019, no. 2019, 2019, pp. 1-21, https://doi.org/10.1155/2019/9658350.