Cita APA (7a ed.)
Arndt, R. Saudi Aramco World: March - April 2003, vol. 54, no. 2 : The Lost Portfolios of Robert Hay. Aramco Services.
Cita estilo Chicago (17a ed.)
Arndt, Robert. Saudi Aramco World: March - April 2003, Vol. 54, No. 2 : The Lost Portfolios of Robert Hay. Houston, EUA: Aramco Services.
Cita MLA (9a ed.)
Arndt, Robert. Saudi Aramco World: March - April 2003, Vol. 54, No. 2 : The Lost Portfolios of Robert Hay. Aramco Services.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.