APA (7th ed.) Citation

LaSalle, J. P., & Lefschetz, S. (1961). Stability by Liapunov's direct method: With applications (2. print.). Acad. Press.

Chicago Style (17th ed.) Citation

LaSalle, Joseph P., and Solomon Lefschetz. Stability by Liapunov's Direct Method: With Applications. 2. print. New York [u.a.]: Acad. Press, 1961.

MLA (9th ed.) Citation

LaSalle, Joseph P., and Solomon Lefschetz. Stability by Liapunov's Direct Method: With Applications. 2. print. Acad. Press, 1961.