APA (7th ed.) Citation

Sutcliff, R. (1977). The eagle of the ninth. Puffin Books u.a.

Chicago Style (17th ed.) Citation

Sutcliff, Rosemary. The Eagle of the Ninth. London: Puffin Books u.a, 1977.

MLA (9th ed.) Citation

Sutcliff, Rosemary. The Eagle of the Ninth. Puffin Books u.a, 1977.

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