APA

Sewall J. L., Parrish R. V. & Durling B. J. (1971). Dynamic responses of railroad car models to vertical and lateral rail inputs. Technical note. Washington DC: National Aeronautics and Space Administration.

Chicago

Sewall John L, Parrish Russell V and Durling Barbara J. 1971. Dynamic responses of railroad car models to vertical and lateral rail inputs. Technical note. Washington DC: National Aeronautics and Space Administration.

Harvard

Sewall J. L., Parrish R. V. and Durling B. J. (1971). Dynamic responses of railroad car models to vertical and lateral rail inputs. Technical note. Washington DC: National Aeronautics and Space Administration.

MLA

Sewall John L, Parrish Russell V and Durling Barbara J. Dynamic responses of railroad car models to vertical and lateral rail inputs. Technical note. Washington DC: National Aeronautics and Space Administration. 1971.