APA (7th ed.) Citation

Gräf, U., Schaik, N., & Würgler, F. E. (1992). Drosophila Genetics: A Practical Course. Springer Berlin Heidelberg.

Chicago Style (17th ed.) Citation

Gräf, Ulrich, Nancy Schaik, and Friedrich E. Würgler. Drosophila Genetics: A Practical Course. Berlin, Heidelberg: Springer Berlin Heidelberg, 1992.

MLA (9th ed.) Citation

Gräf, Ulrich, et al. Drosophila Genetics: A Practical Course. Springer Berlin Heidelberg, 1992.