Cita APA (7a ed.)
Paddock, J. Agricultural origins: Center and noncenters.
Cita Chicago Style (17a ed.)
Paddock, John. Agricultural Origins: Center and Noncenters.
Cita MLA (9a ed.)
Paddock, John. Agricultural Origins: Center and Noncenters.
警告：這些引文格式不一定是100％准確.