Click Admin Toggle Open and Scroll Down to Referral Source 

Click this checkbox. (You can customize the name and make it mandatory for Quick and Full App.)

To Add to Branches  GOTO "Users/Contacts"

Click Into the Branch you want to add tHis Lead Source field your Quick and/or Long App

Scroll to Very Bottom and Select Yes  to add Referal Field

Toggle Open Referral Source and Add Choices

You can Choose a name and Display the Order 

Click "Save" and Repeat to add Multiple Sources

To Check you work Click on your Short App Link

https://app.lendingwise.com/HMLOWebForm.php?bRc=826c4444d3dfc5a9&fOpt=8e614f58c0d670e4&op=aa4465703ef4b17e

Choose that your Not Working with a Broker/Loan Officer

Lead source Pops Open with your choices Remembers to make Mandatory you set that In Company setting like at beginning Under Form Field-->ADMIN.

How do I add Referral Source Pick List to my Quick App