APA

Gribbin(Mary) ;John, . (1998). Richard Feynman. : .

Chicago

Gribbin(Mary) ;John, . 1998. Richard Feynman. : .

Harvard

Gribbin(Mary) ;John, . (1998). Richard Feynman. : .

MLA

Gribbin(Mary) ;John, . Richard Feynman. : . 1998.