APA (7th ed.) Citation

Liungman, C. G. (1975). What is IQ?: Intelligence, heredity, and environment. Gordon Cremonesi.

Chicago Style (17th ed.) Citation

Liungman, Carl G. What Is IQ?: Intelligence, Heredity, and Environment. London: Gordon Cremonesi, 1975.

MLA (9th ed.) Citation

Liungman, Carl G. What Is IQ?: Intelligence, Heredity, and Environment. Gordon Cremonesi, 1975.

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