APA (7th ed.) Citation

Doyle, R., Dalziel, E., & Dalziel, G. (1968). The Story of Jack and the giants. Graham.

Chicago Style (17th ed.) Citation

Doyle, Richard, Edward Dalziel, and George Dalziel. The Story of Jack and the Giants. Newcastle upon Tyne: Graham, 1968.

MLA (9th ed.) Citation

Doyle, Richard, et al. The Story of Jack and the Giants. Graham, 1968.