APA (7th ed.) Citation

Beck, W. S. (1991). Life: An introduction to biology (3rd ed.). HarperCollins Pub..

Chicago Style (17th ed.) Citation

Beck, William S. Life: An Introduction to Biology. 3rd ed. NY: HarperCollins Pub., 1991.

MLA (9th ed.) Citation

Beck, William S. Life: An Introduction to Biology. 3rd ed. HarperCollins Pub., 1991.

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