How to create table with combo primary key which are also two foreign keys

I'm creating a bridge table to change a many to many relationship to two many to one relationships.
I'm new to transact-sql.  The create table statement below references two columns for the primary key, au_id and title_id.  These are also both primary keys in two other tables, called authors and titles.  I'm not sure I have the syntax correct below.  Any suggestions, oberservations are appreciated.

create table titleauthor (
au_id VARCHAR (7) NOT NULL,
title_id VARCHAR (7) NOT NULL,
royalty FLOAT,
notes TEXT,
PRIMARY KEY (au_id,title_id),
FOREIGN KEY (au_id,title_id) REFERENCES authors,titles);
chuckmullinsAsked:
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momi_sabagCommented:
try
create table titleauthor (
au_id VARCHAR (7) NOT NULL,
title_id VARCHAR (7) NOT NULL,
royalty FLOAT,
notes TEXT,
PRIMARY KEY (au_id,title_id),
FOREIGN KEY (au_id) REFERENCES authors,
FOREIGN KEY (title_id) REFERENCES titles);
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chuckmullinsAuthor Commented:
Perfect!  Thanks so much!
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