APA citáció

Graef John R., Savithri R, & Thandapani Ethiraju. (2004). Oscillation of first order neutral delay differential equations.

Chicago Style (17th ed.) Citation

Graef John R., Savithri R, and Thandapani Ethiraju. Oscillation of First Order Neutral Delay Differential Equations. 2004.

MLA idézés

Graef John R., et al. Oscillation of First Order Neutral Delay Differential Equations. 2004.