Play direction (9th pr.).

MLA

Dietrich, John E. Play Direction (9th Pr.). Englewood Cliffs, N.J, 1964.

APA

Dietrich, J. E. (1964). Play direction (9th pr.). Englewood Cliffs, N.J.

Chicago

Dietrich, John E. Play Direction (9th Pr.). Englewood Cliffs, N.J., 1964.