APA (7th ed.) Citation

Unwin (W.J.), ltd. (1973). Unwins flowering bulbs in color. Hamlyn.

Chicago Style (17th ed.) Citation

Unwin (W.J.), ltd. Unwins Flowering Bulbs in Color. London, New York: Hamlyn, 1973.

MLA (9th ed.) Citation

Unwin (W.J.), ltd. Unwins Flowering Bulbs in Color. Hamlyn, 1973.

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