APA (7th ed.) Citation

(1978). The Macdonald encyclopedia of trees. Macdonald.

Chicago Style (17th ed.) Citation

The Macdonald Encyclopedia of Trees. London: Macdonald, 1978.

MLA (9th ed.) Citation

The Macdonald Encyclopedia of Trees. Macdonald, 1978.

Warning: These citations may not always be 100% accurate.