APA
Hubert M James, Nathaniel B Niichols, . (1947). Theory of Servomechanisms. New York: McGraw Hill Book Company.
Chicago
Hubert M James, Nathaniel B Niichols, . 1947. Theory of Servomechanisms. New York: McGraw Hill Book Company.
Harvard
Hubert M James, Nathaniel B Niichols, . (1947). Theory of Servomechanisms. New York: McGraw Hill Book Company.
MLA
Hubert M James, Nathaniel B Niichols, . Theory of Servomechanisms. New York: McGraw Hill Book Company. 1947.