APA (7th ed.) Citation

In memoriam: James Julius Halsema (1 January 1919-18 February 2005). In memoriam: James Julius Halsema (1 January 1919-18 February 2005)..

Chicago Style (17th ed.) Citation

"In Memoriam: James Julius Halsema (1 January 1919-18 February 2005)." In Memoriam: James Julius Halsema (1 January 1919-18 February 2005). .

MLA (9th ed.) Citation

"In Memoriam: James Julius Halsema (1 January 1919-18 February 2005)." In Memoriam: James Julius Halsema (1 January 1919-18 February 2005)., .

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