APA (7th ed.) Citation

GRUBER'S, G. R. (1982). Shortcuts and Strategies for the GMAT. Prentice Hall.

Chicago Style (17th ed.) Citation

GRUBER'S, Gary R. Shortcuts and Strategies for the GMAT. Prentice Hall, 1982.

MLA (8th ed.) Citation

GRUBER'S, Gary R. Shortcuts and Strategies for the GMAT. Prentice Hall, 1982.

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