APA (7e ed.) Bronvermelding

Simpson, G. G., & Beck, W. S. (1965). Life: An introduction to biology (2nd ed.). National Book Store.

Chicago (17e ed.) Bronvermelding

Simpson, George Gaylord, en William S. Beck. Life: An Introduction to Biology. 2nd ed. [Manila]: National Book Store, 1965.

MLA (9e ed.) Bronvermelding

Simpson, George Gaylord, en William S. Beck. Life: An Introduction to Biology. 2nd ed. National Book Store, 1965.