APA

Schaller M., . (1990). The United States and china in twentieth century. New York: Oxford University Press.

Chicago

Schaller Michael, . 1990. The United States and china in twentieth century. New York: Oxford University Press.

Harvard

Schaller M., . (1990). The United States and china in twentieth century. New York: Oxford University Press.

MLA

Schaller Michael, . The United States and china in twentieth century. New York: Oxford University Press. 1990.