APA (7th ed.) Citation

Batchelder, P. M. (1927). An introduction to linear difference equations. Harvard University Press.

Chicago Style (17th ed.) Citation

Batchelder, Paul M. An Introduction to Linear Difference Equations. Cambridge, Mass.: Harvard University Press, 1927.

MLA (9th ed.) Citation

Batchelder, Paul M. An Introduction to Linear Difference Equations. Harvard University Press, 1927.