APA (7th ed.) Citation

Fitter, R. (1945). London's natural history / by R.S.R. Fitter. Collins.

Chicago Style (17th ed.) Citation

Fitter, Richard. London's Natural History / by R.S.R. Fitter. Collins, 1945.

MLA (9th ed.) Citation

Fitter, Richard. London's Natural History / by R.S.R. Fitter. Collins, 1945.

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