Siebert, A. (1996). The survivor personality: Why some people are stronger, smarter, and more skillful at handling life's difficulties ... and how you can be, too ([1st Perigee ed., rev. and updated].). Berkeley Pub. Group.
Cita Chicago Style (17a ed.)Siebert, Al. The Survivor Personality: Why Some People Are Stronger, Smarter, and More Skillful at Handling Life's Difficulties ... and How You Can Be, Too. [1st Perigee ed., rev. and updated]. New York, NY: Berkeley Pub. Group, 1996.
Cita MLA (9a ed.)Siebert, Al. The Survivor Personality: Why Some People Are Stronger, Smarter, and More Skillful at Handling Life's Difficulties ... and How You Can Be, Too. [1st Perigee ed., rev. and updated]. Berkeley Pub. Group, 1996.
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