APA (7th ed.) Citation

Geldorp, P. J. v. Concurrentie der Dagbladen.

Chicago Style (17th ed.) Citation

Geldorp, Petrus J.A.C. van. Concurrentie Der Dagbladen.

MLA (8th ed.) Citation

Geldorp, Petrus J.A.C. van. Concurrentie Der Dagbladen.

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