Personal Emergency Funds

\I'm starting an emergency fund to get saved before I go hard on the credit card debt. I can't decide if I should go for a three month emergency fund or a six month emergency fund? A three month seems possible while a six month seems discouraging. Maybe do a three month fund, work on the credit cards and get those out of the way, and then add onto the emergency fund?

Do you have an emergency fund? What would you suggest?  Dave Ramsey said 3-6 months. I'm a Libra...I don't make decisions well.