(2012). In memoriam Siegfried Franck. Advances in Astronomy and Space Physics.
Chicago Style (17th ed.) Citation"In Memoriam Siegfried Franck." Advances in Astronomy and Space Physics 2012.
MLA (8th ed.) Citation"In Memoriam Siegfried Franck." Advances in Astronomy and Space Physics, 2012.
Warning: These citations may not always be 100% accurate.