APA-viite (7. p.)

Era, P. (1987). Sensory, psychomotor, and motor functions in men of different ages.

Chicago-viite (17. p.)

Era, Pertti. Sensory, Psychomotor, and Motor Functions in Men of Different Ages. Stockholm, 1987.

MLA-viite (9. p.)

Era, Pertti. Sensory, Psychomotor, and Motor Functions in Men of Different Ages. 1987.