APA

Jenik J., . (1979). Pictorial Encyclopedia of Forests. London: Hamlyn.

Chicago

Jenik Jan, . 1979. Pictorial Encyclopedia of Forests. London: Hamlyn.

Harvard

Jenik J., . (1979). Pictorial Encyclopedia of Forests. London: Hamlyn.

MLA

Jenik Jan, . Pictorial Encyclopedia of Forests. London: Hamlyn. 1979.