APA (7th ed.) Citation

Wolff, C. C. P. (1931). Heyman, Hendrik Constant Josef ([Electronic ed.].).

Chicago Style (17th ed.) Citation

Wolff, Chr. C. P. Heyman, Hendrik Constant Josef. [Electronic ed.]. 1931.

MLA (9th ed.) Citation

Wolff, Chr. C. P. Heyman, Hendrik Constant Josef. [Electronic ed.]. 1931.

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