APA

PARKUS H., . (1977). Random Excitations of Structures by Earthquakes. New York: .

Chicago

PARKUS H, . 1977. Random Excitations of Structures by Earthquakes. New York: .

Harvard

PARKUS H., . (1977). Random Excitations of Structures by Earthquakes. New York: .

MLA

PARKUS H, . Random Excitations of Structures by Earthquakes. New York: . 1977.