APA (7th ed.) Citation

A. Richard Harmer ...et al. (1966). Science year: The World book science annual. Field Enterprises Educational Corporation.

Chicago Style (17th ed.) Citation

A. Richard Harmer ...et al. Science Year: The World Book Science Annual. Chicago: Field Enterprises Educational Corporation, 1966.

MLA (9th ed.) Citation

A. Richard Harmer ...et al. Science Year: The World Book Science Annual. Field Enterprises Educational Corporation, 1966.