APA (7th ed.) Citation

Haas, J. d. (1972). Oud neg.nr. 721423-721425. 'DSM, chemie, Geleen'.

Chicago Style (17th ed.) Citation

Haas, Joh. de. Oud Neg.nr. 721423-721425. 'DSM, Chemie, Geleen'. 1972.

MLA (8th ed.) Citation

Haas, Joh. de. Oud Neg.nr. 721423-721425. 'DSM, Chemie, Geleen'. 1972.

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