APA (7th ed.) Citation

Essler, F. (1999). Sine-Gordon quantum magnets.

Chicago Style (17th ed.) Citation

Essler, F. Sine-Gordon Quantum Magnets. 1999.

MLA (9th ed.) Citation

Essler, F. Sine-Gordon Quantum Magnets. 1999.

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