APA (7th ed.) Citation

Matthews, W. Observations upon a pamphlet, entitul'd, The letter which Pope Gregory XV. wrote to Charles I. of England, concerning his marriage to the Infanta of Spain, and that Prince's answer. By William Matthews.

Chicago Style (17th ed.) Citation

Matthews, William. Observations upon a Pamphlet, Entitul'd, The Letter Which Pope Gregory XV. Wrote to Charles I. of England, Concerning His Marriage to the Infanta of Spain, and That Prince's Answer. By William Matthews.

MLA (9th ed.) Citation

Matthews, William. Observations upon a Pamphlet, Entitul'd, The Letter Which Pope Gregory XV. Wrote to Charles I. of England, Concerning His Marriage to the Infanta of Spain, and That Prince's Answer. By William Matthews.

Warning: These citations may not always be 100% accurate.