APA (7th ed.) Citation

O'Callaghan,Karen. (1988). Nature's builders. Brimax books.

Chicago Style (17th ed.) Citation

O'Callaghan,Karen. Nature's Builders. England: Brimax books, 1988.

MLA (9th ed.) Citation

O'Callaghan,Karen. Nature's Builders. Brimax books, 1988.

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