APA (7th ed.) Citation

Petersson, R. T. (1956). Sir Kenelm Digby, the ornament of England, 1603-1665. Harvard University Press.

Chicago Style (17th ed.) Citation

Petersson, Robert T. Sir Kenelm Digby, the Ornament of England, 1603-1665. Cambridge: Harvard University Press, 1956.

MLA (9th ed.) Citation

Petersson, Robert T. Sir Kenelm Digby, the Ornament of England, 1603-1665. Harvard University Press, 1956.