APA (7th ed.) Citation

Clamp, H. M. E. (1966). The trouble with Philippa. Hurst & Blackett.

Chicago Style (17th ed.) Citation

Clamp, Helen Mary Elizabeth. The Trouble with Philippa. London: Hurst & Blackett, 1966.

MLA (8th ed.) Citation

Clamp, Helen Mary Elizabeth. The Trouble with Philippa. Hurst & Blackett, 1966.

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