APA
Uhl V. W., Gray J. B., . (19661967). Mixing theory and practice. New York: Academic press.
Chicago
Uhl V W, Gray J B, . 19661967. Mixing theory and practice. New York: Academic press.
Harvard
Uhl V. W., Gray J. B., . (19661967). Mixing theory and practice. New York: Academic press.
MLA
Uhl V W, Gray J B, . Mixing theory and practice. New York: Academic press. 19661967.