APA

Prashant (P), Devadoss (K), . (1999). UFO and SETI. : .

Chicago

Prashant (P), Devadoss (K), . 1999. UFO and SETI. : .

Harvard

Prashant (P), Devadoss (K), . (1999). UFO and SETI. : .

MLA

Prashant (P), Devadoss (K), . UFO and SETI. : . 1999.