APA (7th ed.) Citation

Wynne, S. A. (2008). TExES life science 8-12 138: Teacher certification exam. XAMonline, Inc..

Chicago Style (17th ed.) Citation

Wynne, Sharon A. TExES Life Science 8-12 138: Teacher Certification Exam. Boston: XAMonline, Inc., 2008.

MLA (9th ed.) Citation

Wynne, Sharon A. TExES Life Science 8-12 138: Teacher Certification Exam. XAMonline, Inc., 2008.