APA (7th ed.) Citation

Gourou, P. (1964). Alfred Hegenscheidt (1866-1964). S.l.: s.n.

Chicago Style (17th ed.) Citation

Gourou, Pierre. Alfred Hegenscheidt (1866-1964). S.l.: s.n, 1964.

MLA (8th ed.) Citation

Gourou, Pierre. Alfred Hegenscheidt (1866-1964). S.l.: s.n, 1964.

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