How will I receive my credit for a referring another customer? November 09, 2018 16:50 Updated Your referral voucher will be emailed to you and added to your customer profile. Related articles How does the referral program work? Can I earn a referral voucher for friends or family that are going on the same cruise with me? Is there a limit to how many referral vouchers I can earn? Why should I buy with Cruises.com? Are Loyalty Club benefits combinable with other promotions?