Παραπομπή σε μορφή APA (7η εκδ.)

Stratta, J. L., Berg, G. V., & Enkeboll, W. (1970). Preliminary report Peru earthquake of May 31, 1970. Earthquake Engineering Research Institute.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Stratta, James L., Glen V. Berg, και William Enkeboll. Preliminary Report Peru Earthquake of May 31, 1970. California: Earthquake Engineering Research Institute, 1970.

Παραπομπή σε μορφή MLA (8th εκδ.)

Stratta, James L., et al. Preliminary Report Peru Earthquake of May 31, 1970. Earthquake Engineering Research Institute, 1970.