APA (7th ed.) Citation

Sanchez, R. A., & Sanchez, R. A. (2015). Studying and thinking skills in English: For college freshmen. UNLIMITED BOOKS LIBRARY SERVICES & PUBLISHING INC.

Chicago Style (17th ed.) Citation

Sanchez, Remedios A., and Remedios A. Sanchez. Studying and Thinking Skills in English: For College Freshmen. Manila: UNLIMITED BOOKS LIBRARY SERVICES & PUBLISHING INC, 2015.

MLA (9th ed.) Citation

Sanchez, Remedios A., and Remedios A. Sanchez. Studying and Thinking Skills in English: For College Freshmen. UNLIMITED BOOKS LIBRARY SERVICES & PUBLISHING INC, 2015.

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