APA stil citiranja

(1948). Studies and essays: Studies and essays : presented to R. Courant on his 60th birthday, January 8, 1948. New York: Interscience Publishers.

Chicago stil citiranja

Studies and essays: Studies and essays : presented to R. Courant on his 60th birthday, January 8, 1948. New York: Interscience Publishers, 1948.

MLA stil citiranja

Studies and essays: Studies and essays : presented to R. Courant on his 60th birthday, January 8, 1948. New York: Interscience Publishers, 1948.