Cita APA (7th ed.)
Paddock, J. An interesting problem involving Zaachila.
Cita Chicago (17th ed.)
Paddock, John. An Interesting Problem Involving Zaachila.
Cita MLA (9th ed.)
Paddock, John. An Interesting Problem Involving Zaachila.
Atenció: Aquestes cites poden no estar 100% correctes.