APA (7th ed.) Citation

Kolby, J. (2000). Vocabulary 4000 eBook: The 4000 essential for an educated vocabulary. Nova Press.

Chicago Style (17th ed.) Citation

Kolby, Jeff. Vocabulary 4000 EBook: The 4000 Essential for an Educated Vocabulary. Los Angeles: Nova Press, 2000.

MLA (9th ed.) Citation

Kolby, Jeff. Vocabulary 4000 EBook: The 4000 Essential for an Educated Vocabulary. Nova Press, 2000.

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