APA način citiranja (7. izdanje)

Fischel, W. J. (1964). William Popper (1874-1963) and his contribution to islamic scholarship: In memoriam / by Walter J. Fischel.

Čikaški stil citiranja (17. izdanje)

Fischel, Walter J. William Popper (1874-1963) and His Contribution to Islamic Scholarship: In Memoriam / by Walter J. Fischel. 1964.

MLA način citiranja (8. izdanje)

Fischel, Walter J. William Popper (1874-1963) and His Contribution to Islamic Scholarship: In Memoriam / by Walter J. Fischel. 1964.