Cita APA (7a ed.)

Heathfield, D. F. (1971). Production functions ([1st pub.].). Macmillan.

Cita Chicago Style (17a ed.)

Heathfield, David F. Production Functions. [1st pub.]. London [etc.]: Macmillan, 1971.

Cita MLA (9a ed.)

Heathfield, David F. Production Functions. [1st pub.]. Macmillan, 1971.