APA Style

Rappaport, Alfred. (). OPEC at a Glance. . : .

Chicago Style

Rappaport, Alfred. OPEC at a Glance.. : , . .

MLA Style

Rappaport, Alfred. OPEC at a Glance.. : , . .

Turabian Style

Rappaport, Alfred. OPEC at a Glance.. : , . .