APA (7th ed.) Citation

Howitt, R. C. L., & Howitt, B. M. (1963). A flora of Nottinghamshire / by R.C.L. Howitt and B.M. Howitt. Howitt.

Chicago Style (17th ed.) Citation

Howitt, R. C. L., and B. M. Howitt. A Flora of Nottinghamshire / by R.C.L. Howitt and B.M. Howitt. Howitt, 1963.

MLA (9th ed.) Citation

Howitt, R. C. L., and B. M. Howitt. A Flora of Nottinghamshire / by R.C.L. Howitt and B.M. Howitt. Howitt, 1963.

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