Cita APA (7a ed.)

Delhi (India : Union Territory) & Chopra, P. (1970). Delhi, history and places of interest.

Cita Chicago Style (17a ed.)

Delhi (India : Union Territory) y Prabha Chopra. Delhi, History and Places of Interest. Delhi, 1970.

Cita MLA (8a ed.)

Delhi (India : Union Territory) y Prabha Chopra. Delhi, History and Places of Interest. 1970.