APA
, . (1965). MEN AND SNAKES. : HUTCHINSON & CO. LTD., LONDON.
Chicago
, . 1965. MEN AND SNAKES. : HUTCHINSON & CO. LTD., LONDON.
Harvard
, . (1965). MEN AND SNAKES. : HUTCHINSON & CO. LTD., LONDON.
MLA
, . MEN AND SNAKES. : HUTCHINSON & CO. LTD., LONDON. 1965.