APA
Berndt E., Vellturo Ca, Chiang Jsw & Friedlaender Af. (1991). Mergers, Deregulation And Cost Savings In The US Rail Industry. Cambridge, MA: NBER.
Chicago
Berndt ER, Vellturo Ca, Chiang Jsw and Friedlaender Af. 1991. Mergers, Deregulation And Cost Savings In The US Rail Industry. Cambridge, MA: NBER.
Harvard
Berndt E., Vellturo Ca, Chiang Jsw and Friedlaender Af. (1991). Mergers, Deregulation And Cost Savings In The US Rail Industry. Cambridge, MA: NBER.
MLA
Berndt ER, Vellturo Ca, Chiang Jsw and Friedlaender Af. Mergers, Deregulation And Cost Savings In The US Rail Industry. Cambridge, MA: NBER. 1991.