Cita APA (7a ed.)
Paddock, J. The Peten Maya decline viewed in the perspective of state formation.
Cita Chicago Style (17a ed.)
Paddock, John. The Peten Maya Decline Viewed in the Perspective of State Formation.
Cita MLA (9a ed.)
Paddock, John. The Peten Maya Decline Viewed in the Perspective of State Formation.
警告：这些引文格式不一定是100％准确.