APA (7th ed.) Citation

Isted,George H. The Best Toefl Workbook: This is an up-to-date test preparation. Addison-Wesley Publ.Com.

Chicago Style (17th ed.) Citation

Isted,George H. The Best Toefl Workbook: This Is an Up-to-date Test Preparation. Addison-Wesley Publ.Com.

MLA (8th ed.) Citation

Isted,George H. The Best Toefl Workbook: This Is an Up-to-date Test Preparation. Addison-Wesley Publ.Com.

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