APA-Zitierstil (7. Ausg.)

(1969). Critical point theory in global analysis and differential topology: An introduction. Academic Press.

Chicago-Zitierstil (17. Ausg.)

Critical Point Theory in Global Analysis and Differential Topology: An Introduction. New York: Academic Press, 1969.

MLA-Zitierstil (9. Ausg.)

Critical Point Theory in Global Analysis and Differential Topology: An Introduction. Academic Press, 1969.