APA (7th ed.) Citation

Gretton, R. H. (1917). The English Middle Ages. G. Bell and Sons.

Chicago Style (17th ed.) Citation

Gretton, R. H. The English Middle Ages. London: G. Bell and Sons, 1917.

MLA (8th ed.) Citation

Gretton, R. H. The English Middle Ages. G. Bell and Sons, 1917.

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