Visit the U.S. Copyright Office Forms webpage at http://www.copyright.gov/forms/ to access the Form CO (updated version of the Forms TX, VA, PA, SE, and SR).
Click Download Form CO to view the form.
Complete the form online. Print the completed form.
Gather the form, a typed copy of the work you would like to copyright (if it is published, enclose two copies) and a check for $45.00 payable to Register of Copyrights and mail it to Library of Congress
Copyright Office, 101 Independence Avenue, SE, Washington, DC 20559-6222
You should receive a confirmation email when your application is received. You can expect to receive your certificate within 8 months from the time you submit the form. While you wait for your certificate, you can insert a line on the back of your booklet stating that the work is protected and that the official government copyright is pending. State that no part of the booklet should be used without the author's express permission.