APA (7th ed.) Citation

Sidgwick, A. (1983). Key to Sidgwick's Greek prose composition. Duckworth.

Chicago Style (17th ed.) Citation

Sidgwick, Arthur. Key to Sidgwick's Greek Prose Composition. London: Duckworth, 1983.

MLA (8th ed.) Citation

Sidgwick, Arthur. Key to Sidgwick's Greek Prose Composition. Duckworth, 1983.