APA (7th ed.) Citation

Sharma, P. (2013). Instant premium Drupal themes. Packt Publishing.

Chicago Style (17th ed.) Citation

Sharma, Pankaj. Instant Premium Drupal Themes. Birmingham: Packt Publishing, 2013.

MLA (9th ed.) Citation

Sharma, Pankaj. Instant Premium Drupal Themes. Packt Publishing, 2013.

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