Cita APA (7a ed.)

Häkkinen, S. (1958). Traffic accidents and driver characteristics: A statistical and psychological study. Tieteellisiä tutkimuksia.

Cita Chicago Style (17a ed.)

Häkkinen, Sauli. "Traffic Accidents and Driver Characteristics: A Statistical and Psychological Study." Tieteellisiä Tutkimuksia 1958.

Cita MLA (9a ed.)

Häkkinen, Sauli. "Traffic Accidents and Driver Characteristics: A Statistical and Psychological Study." Tieteellisiä Tutkimuksia, 1958.