APA (7th ed.) Citation

Malten, K. E., Nater, J. P., & Ketel, W. G. v. (1976). Patch testing guidelines. Dekker & Van de Vegt.

Chicago Style (17th ed.) Citation

Malten, K. E., Johan P. Nater, and W. G. van Ketel. Patch Testing Guidelines. Nijmegen: Dekker & Van de Vegt, 1976.

MLA (9th ed.) Citation

Malten, K. E., et al. Patch Testing Guidelines. Dekker & Van de Vegt, 1976.