APA (7th ed.) Citation

Orgel, L. E. (1973). The origins of life: Molecules and natural selection. Chapman and Hall.

Chicago Style (17th ed.) Citation

Orgel, Leslie E. The Origins of Life: Molecules and Natural Selection. London: Chapman and Hall, 1973.

MLA (9th ed.) Citation

Orgel, Leslie E. The Origins of Life: Molecules and Natural Selection. Chapman and Hall, 1973.

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