Attached Textbook: Gerhardt, C. (2019). Families in Motion. Thousand Oaks, CA: Posted on August 10, 2023 | by Linus | Leave a Comment on Attached Textbook: Gerhardt, C. (2019). Families in Motion. Thousand Oaks, CA: Attached Textbook: Gerhardt, C. (2019). Families in Motion. Thousand Oaks, CA: Sage Publishing. ISBN-13: 9781544329208