APA (7th ed.) Citation

Gill, N. T., & Vear, K. C. (1969). Agricultural botany (2. ed.). G. Duckworth.

Chicago Style (17th ed.) Citation

Gill, N. T., and K. C. Vear. Agricultural Botany. 2. ed. London: G. Duckworth, 1969.

MLA (9th ed.) Citation

Gill, N. T., and K. C. Vear. Agricultural Botany. 2. ed. G. Duckworth, 1969.

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