APA (7th ed.) Citation

Liebert, R. M., Liebert, L. L., Liebert, R. M., & Spiegler, M. D. P. (1998). Testing your understanding practice tests for Liebert and Spiegler's personality strategies and issues (Eigth Edition.). Brooks/Cole.

Chicago Style (17th ed.) Citation

Liebert, Robert M., Lynn Langenbach Liebert, Robert M. Liebert, and Michael D. Personality Spiegler. Testing Your Understanding Practice Tests for Liebert and Spiegler's Personality Strategies and Issues. Eigth Edition. Pacific Grove, Ca: Brooks/Cole, 1998.

MLA (9th ed.) Citation

Liebert, Robert M., et al. Testing Your Understanding Practice Tests for Liebert and Spiegler's Personality Strategies and Issues. Eigth Edition. Brooks/Cole, 1998.