APA

Johnson W. H. e. a., . (1961). Biology. : Holt Rinehart & Winston Publishers, New York.

Chicago

Johnson Willis H et al, . 1961. Biology. : Holt Rinehart & Winston Publishers, New York.

Harvard

Johnson W. H. e. a., . (1961). Biology. : Holt Rinehart & Winston Publishers, New York.

MLA

Johnson Willis H et al, . Biology. : Holt Rinehart & Winston Publishers, New York. 1961.