APA (7th ed.) Citation

Dehaybes, M. A., Deprez, J., Kampen, P. v., & Cock, M. D. Students’ understanding of two-variable calculus concepts in mathematics and physics contexts. II. The gradient and the Laplacian. American Physical Society.

Chicago Style (17th ed.) Citation

Dehaybes, Maria Al, Johan Deprez, Paul van Kampen, and Mieke De Cock. Students’ Understanding of Two-variable Calculus Concepts in Mathematics and Physics Contexts. II. The Gradient and the Laplacian. American Physical Society.

MLA (9th ed.) Citation

Dehaybes, Maria Al, et al. Students’ Understanding of Two-variable Calculus Concepts in Mathematics and Physics Contexts. II. The Gradient and the Laplacian. American Physical Society.

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