Cita APA (7a ed.)

Reader's Digest Association. (1971). The Reader's Digest great encyclopaedic dictionary (2nd ed., 7th impression.). Reader's Digest Association.

Cita Chicago Style (17a ed.)

Reader's Digest Association. The Reader's Digest Great Encyclopaedic Dictionary. 2nd ed., 7th impression. London [etc.]: Reader's Digest Association, 1971.

Cita MLA (9a ed.)

Reader's Digest Association. The Reader's Digest Great Encyclopaedic Dictionary. 2nd ed., 7th impression. Reader's Digest Association, 1971.