Cita APA (7th ed.)
Arndt, R. Saudi Aramco World: May - June 2004, vol. 55, no. 3 : The Pioneers. Aramco Services.
Cita Chicago (17th ed.)
Arndt, Robert. Saudi Aramco World: May - June 2004, Vol. 55, No. 3 : The Pioneers. Houston, EUA: Aramco Services.
Cita MLA (9th ed.)
Arndt, Robert. Saudi Aramco World: May - June 2004, Vol. 55, No. 3 : The Pioneers. Aramco Services.
Atenció: Aquestes cites poden no estar 100% correctes.