APA način citiranja (7. izdanje)
HULTSCH, D., & ET AL. (1993). AGE DIFFERENCES IN COGNITIVE PERFORMANCE IN LATER LIFE: RELATIONSHIPS TO SELF-REPORTED HEALTH AND ACTIVITY LIFE STYLE.
Čikaški stil citiranja (17. izdanje)
HULTSCH, D.F, i ET AL. AGE DIFFERENCES IN COGNITIVE PERFORMANCE IN LATER LIFE: RELATIONSHIPS TO SELF-REPORTED HEALTH AND ACTIVITY LIFE STYLE. 1993.
MLA način citiranja (9. izdanje)
HULTSCH, D.F, i ET AL. AGE DIFFERENCES IN COGNITIVE PERFORMANCE IN LATER LIFE: RELATIONSHIPS TO SELF-REPORTED HEALTH AND ACTIVITY LIFE STYLE. 1993.
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