APA

Santhana Krishnan & Others, Jiju Varshese Jacob, . (2000). Space Exploration. : .

Chicago

Santhana Krishnan & Others, Jiju Varshese Jacob, . 2000. Space Exploration. : .

Harvard

Santhana Krishnan & Others, Jiju Varshese Jacob, . (2000). Space Exploration. : .

MLA

Santhana Krishnan & Others, Jiju Varshese Jacob, . Space Exploration. : . 2000.