APA (7th ed.) Citation

Ewington, E. J., Spencer, J., David, & Embry, M. Projects in biology. Routledge & Kegan Paul.c1981.

Chicago Style (17th ed.) Citation

Ewington, E. J., J. Spencer, David, and Maureen Embry. Projects in Biology. London: Routledge & Kegan Paul.c1981.

MLA (9th ed.) Citation

Ewington, E. J., et al. Projects in Biology. Routledge & Kegan Paul.c1981.