Παραπομπή σε μορφή APA (7η εκδ.)

Nurk, E., Drevon, C., Refsum, H., Solvoll, K., Vollset, S., Nygård, O., . . . Smith, A. (2007). Cognitive performance among the elderly and dietary fish intake: The Hordaland Health Study.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Nurk, E., et al. Cognitive Performance Among the Elderly and Dietary Fish Intake: The Hordaland Health Study. 2007.

Παραπομπή σε μορφή MLA (9th εκδ.)

Nurk, E., et al. Cognitive Performance Among the Elderly and Dietary Fish Intake: The Hordaland Health Study. 2007.