Marvelous machines /
James and Ruth McCrea / Ethel Grodzins Romm.
APA Citation
McCrea, J., McCrea, R., Romm, E. Grodzins.. (1973). Marvelous machines. New York: Holt, Rinehart and Winston.
MLA Citation
McCrea, James, Ruth McCrea, and Ethel Grodzins. Romm. Marvelous Machines. New York: Holt, Rinehart and Winston, 1973.
Warning: These citations may not always be complete (especially for serials).