APA

Immanuel Estermann, . (1959). Classical Methods. New York: Academic Press.

Chicago

Immanuel Estermann, . 1959. Classical Methods. New York: Academic Press.

Harvard

Immanuel Estermann, . (1959). Classical Methods. New York: Academic Press.

MLA

Immanuel Estermann, . Classical Methods. New York: Academic Press. 1959.