APA

Vuilleumier B. S., .Pleistocene Changes in the fauna and flora of South America. : .

Chicago

Vuilleumier Beryl Simpson, .Pleistocene Changes in the fauna and flora of South America. : .

Harvard

Vuilleumier B. S., .Pleistocene Changes in the fauna and flora of South America. : .

MLA

Vuilleumier Beryl Simpson, .: . .