The Royal Horticultural Society dictionary of gardening : a practical and scientific encyclopaedia of horticulture

MLA

Chittenden, Fred J, George Nicholson, and Patrick M Synge. The Royal Horticultural Society Dictionary of Gardening : a Practical and Scientific Encyclopaedia of Horticulture. Oxford: Clarendon Press, 1951.

APA

Chittenden, F. J, Nicholson, G., & Synge, P. M. (1951). The Royal Horticultural Society dictionary of gardening : a practical and scientific encyclopaedia of horticulture. Oxford: Clarendon Press.

Chicago

Nicholson, George, The Royal Horticultural Society Dictionary of Gardening: A Practical and Scientific Encyclopaedia of Horticulture. Edited by Fred J Chittenden and Patrick M Synge. Oxford: Clarendon Press, 1951.