APA (7th ed.) Citation

Zakharov, V. E. (1991). What is integrability? Springer Verlag.

Chicago Style (17th ed.) Citation

Zakharov, V. E. What Is Integrability? Berlin: Springer Verlag, 1991.

MLA (8th ed.) Citation

Zakharov, V. E. What Is Integrability? Springer Verlag, 1991.

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