Style de citation APA (7e éd.)

Baumgardt, J. P. (1968). How to prune almost everything. M. Barrows.

Style de citation Chicago (17e éd.)

Baumgardt, John Philip. How to Prune Almost Everything. New York: M. Barrows, 1968.

Style de citation MLA (9e éd.)

Baumgardt, John Philip. How to Prune Almost Everything. M. Barrows, 1968.