APA (7th ed.) Citation

Dijk, E. W. (1964). Intelligentie en intelligentieverval.

Chicago Style (17th ed.) Citation

Dijk, Engbert Wiebe. Intelligentie En Intelligentieverval. 1964.

MLA (9th ed.) Citation

Dijk, Engbert Wiebe. Intelligentie En Intelligentieverval. 1964.

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