APA (7th ed.) Citation

Rushforth, K. (1987). Conifers. Facts on File Publications.

Chicago Style (17th ed.) Citation

Rushforth, Keith. Conifers. New York, N.Y.: Facts on File Publications, 1987.

MLA (9th ed.) Citation

Rushforth, Keith. Conifers. Facts on File Publications, 1987.