APA Citation

Logan, J. D. (1977). Invariant variational principles. New York: Academic Press.

Chicago Style Citation

Logan, J. David. Invariant Variational Principles. New York: Academic Press, 1977.

MLA Citation

Logan, J. David. Invariant Variational Principles. New York: Academic Press, 1977.

Warning: These citations may not always be 100% accurate.