APA (7th ed.) Citation

Gupta, V. (2009). Vocabulary and Comprehension Skills. Penguin Books.

Chicago Style (17th ed.) Citation

Gupta, Vaishali. Vocabulary and Comprehension Skills. USA: Penguin Books, 2009.

MLA (9th ed.) Citation

Gupta, Vaishali. Vocabulary and Comprehension Skills. Penguin Books, 2009.

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