(1977). <i>In memoriam</i> for Prof. P. J. van Zijl.
Chicago Style (17th ed.) Citation<i>In Memoriam</i> for Prof. P. J. Van Zijl. 1977.
MLA (8th ed.) Citation<i>In Memoriam</i> for Prof. P. J. Van Zijl. 1977.
Warning: These citations may not always be 100% accurate.