Cita APA (7a ed.)
Paddock, J. An interesting problem involving Zaachila.
Cita Chicago Style (17a ed.)
Paddock, John. An Interesting Problem Involving Zaachila.
Cita MLA (9a ed.)
Paddock, John. An Interesting Problem Involving Zaachila.
警告：這些引文格式不一定是100％准確.