APA aipamena

Marta, F., & Kallo, D. (1975). Proceedings. Elsevier scientific.

Chicago Style aipamena

Marta, F., and D. Kallo. Proceedings. Amsterdam: Elsevier scientific, 1975.

MLA aipamena

Marta, F., and D. Kallo. Proceedings. Elsevier scientific, 1975.