APA (7th ed.) Citation
Romero, D. B. (1992). Vocabulary improvement: Words made easy. Crisp Publications.
Chicago Style (17th ed.) Citation
Romero, Diana Bonet. Vocabulary Improvement: Words Made Easy. Los Altos, Calif.: Crisp Publications, 1992.
MLA (9th ed.) Citation
Romero, Diana Bonet. Vocabulary Improvement: Words Made Easy. Crisp Publications, 1992.
Warning: These citations may not always be 100% accurate.