No deed, will, or other written instrument which affects land or personal property, creates an estate in joint tenancy, unless the deed, will, or other written instrument expressly provides that the property granted is to be held in joint tenancy.
Md. Code Ann., Real Prop. § 2-117
Official source: Maryland General Assembly. Reproduced from public-domain Maryland statutes; confirm against the official source for the current text. Not legal advice.