APA (7th ed.) Citation

Guinness, B., & Pym, R. (1971). The story of Catriona and the grasshopper. William Heinemann Ltd.

Chicago Style (17th ed.) Citation

Guinness, Bryan, and Roland Pym. The Story of Catriona and the Grasshopper. London: William Heinemann Ltd, 1971.

MLA (9th ed.) Citation

Guinness, Bryan, and Roland Pym. The Story of Catriona and the Grasshopper. William Heinemann Ltd, 1971.

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