APA (7th ed.) Citation

Kerk, A. A. D., & Treffers, W. F. (1981). Techniques and instruments. Springer.

Chicago Style (17th ed.) Citation

Kerk, Albert Aan De, and W. Frits Treffers. Techniques and Instruments. Springer, 1981.

MLA (9th ed.) Citation

Kerk, Albert Aan De, and W. Frits Treffers. Techniques and Instruments. Springer, 1981.

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