APA aipamena

Jyotsna Bharti. (2016). Charles Darwin A Biography (2016.). Spider Books.

Chicago Style aipamena

Jyotsna Bharti. Charles Darwin A Biography. 2016. Spider Books, 2016.

MLA aipamena

Jyotsna Bharti. Charles Darwin A Biography. 2016. Spider Books, 2016.