APA (7th ed.) Citation

Allen, M., Gillespie, R., & Tellejohn Hayes, P. Essential thechnique 2000: For strings a comprehensive string method.

Chicago Style (17th ed.) Citation

Allen, Michael, Robert Gillespie, and Pamela Tellejohn Hayes. Essential Thechnique 2000: For Strings a Comprehensive String Method.

MLA (8th ed.) Citation

Allen, Michael, et al. Essential Thechnique 2000: For Strings a Comprehensive String Method.