APA (7th ed.) Citation

Horton, D. C. (1965). The happy isles: A diary of the Solomons. Heinemann.

Chicago Style (17th ed.) Citation

Horton, Dick Crofton. The Happy Isles: A Diary of the Solomons. London: Heinemann, 1965.

MLA (8th ed.) Citation

Horton, Dick Crofton. The Happy Isles: A Diary of the Solomons. Heinemann, 1965.