APA (7th ed.) Citation

Johnson, R. G. (2009). Topics in 2 + 1 gravity and conformal field theory.

Chicago Style (17th ed.) Citation

Johnson, Richard Gunn. Topics in 2 + 1 Gravity and Conformal Field Theory. 2009.

MLA (9th ed.) Citation

Johnson, Richard Gunn. Topics in 2 + 1 Gravity and Conformal Field Theory. 2009.

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