The relation between P.D. and spark-length for small values of the latter ...
APA Citation
Hobbs, G. M. (Glenn Moody). (1905). The relation between P.D. and spark-length for small values of the latter ... Chicago.
MLA Citation
Hobbs, Glenn M. (Glenn Moody), 1870-. The Relation Between P.D. And Spark-length for Small Values of the Latter ... Chicago, 1905.
Warning: These citations may not always be complete (especially for serials).