Styl cytowania APA

Butler, J. (1979). Principles of plant biology for the tropics. Acadamic Press.

Styl cytowania Chicago

Butler, J.D. Principles of Plant Biology for the Tropics. London: Acadamic Press, 1979.

Styl cytowania MLA

Butler, J.D. Principles of Plant Biology for the Tropics. Acadamic Press, 1979.