After purchasing you can print a receipt from the order confirmation page after you click the Place Order button. Click the Print this Page button at the top right of the screen and follow your computer's instructions for printing.
Lulu also emails an order receipt to the email address you used when placing your order. You can print that receipt from your email client.
To print a receipt from within your registered Lulu account:
Log into your Lulu account using your email address and password.
Go to My Lulu > My Account & Orders > Order History.
Click View Order Details for the appropriate order.