APA (7th ed.) Citation

Fry, R. K. (1947). In a rock pool. Hutchinson's Books for Young People.

Chicago Style (17th ed.) Citation

Fry, Rosalie K. In a Rock Pool. London: Hutchinson's Books for Young People, 1947.

MLA (9th ed.) Citation

Fry, Rosalie K. In a Rock Pool. Hutchinson's Books for Young People, 1947.