APA (7th ed.) Citation

Chipperfield, R. O. (192). Ethel opens the door: An exploit of the Shadowers. Hurst and Blackett.

Chicago Style (17th ed.) Citation

Chipperfield, Robert Orr. Ethel Opens the Door: An Exploit of the Shadowers. London: Hurst and Blackett, 192.

MLA (9th ed.) Citation

Chipperfield, Robert Orr. Ethel Opens the Door: An Exploit of the Shadowers. Hurst and Blackett, 192.

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