APA (7th ed.) Citation

Dekker, J. (1980). Progressieve ontwikkelingen in de psychologie.

Chicago Style (17th ed.) Citation

Dekker, Jaap. Progressieve Ontwikkelingen in De Psychologie. 1980.

MLA (8th ed.) Citation

Dekker, Jaap. Progressieve Ontwikkelingen in De Psychologie. 1980.

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