Cita APA (7th ed.)

Morse, M., & Cairns, S. S. (1969). Critical point theory in global analysis and diferential topology. Academic Press.

Cita Chicago (17th ed.)

Morse, Marston, i Stewart S. Cairns. Critical Point Theory in Global Analysis and Diferential Topology. Nueva York: Academic Press, 1969.

Cita MLA (9th ed.)

Morse, Marston, i Stewart S. Cairns. Critical Point Theory in Global Analysis and Diferential Topology. Academic Press, 1969.