APA (7th ed.) Citation

Afzal, I. (2019). Perfect 3 Days Linux Course (1st edition.). Packt Publishing.

Chicago Style (17th ed.) Citation

Afzal, Imran. Perfect 3 Days Linux Course. 1st edition. Packt Publishing, 2019.

MLA (9th ed.) Citation

Afzal, Imran. Perfect 3 Days Linux Course. 1st edition. Packt Publishing, 2019.

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