Cita APA (7th ed.)

Perkins,Dwight H. (1969). Agriculture development in China 1368-1968. University Press.

Cita Chicago (17th ed.)

Perkins,Dwight H. Agriculture Development in China 1368-1968. Edinburg: University Press, 1969.

Cita MLA (8th ed.)

Perkins,Dwight H. Agriculture Development in China 1368-1968. University Press, 1969.