APA (7th ed.) Citation

Vidyārthī, G. (1998). Darwin and his Theory. Works, 190-194.

Chicago Style (17th ed.) Citation

Vidyārthī, Gurudatta. "Darwin and His Theory." Works 1998: 190-194.

MLA (9th ed.) Citation

Vidyārthī, Gurudatta. "Darwin and His Theory." Works, 1998, pp. 190-194.