APA (7th ed.) Citation

Haas, J. d. (1938). 'Serie 'Hoe oud is...?'.

Chicago Style (17th ed.) Citation

Haas, Joh. de. 'Serie 'Hoe Oud Is...?'. 1938.

MLA (8th ed.) Citation

Haas, Joh. de. 'Serie 'Hoe Oud Is...?'. 1938.

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