MLA

Julius Werf, Hans-Ulrich Graser, Richard Frankham, Cedric Gondro, et al. Adaptation and Fitness In Animal Populations. Springer Netherlands, 2009.

APA

Julius Werf, C. Gondro, Graser, H., Van der Werf, J., Werf, J. van der, Frankham, R., & Gondro, C. (2009). Adaptation and Fitness in Animal Populations. Springer Netherlands.

Chicago

Julius Werf, Hans-Ulrich Graser, Richard Frankham, Cedric Gondro., Hans-Ulrich Graser, Julius Van der Werf, Julius van der Werf, Richard Frankham, and Cedric Gondro. Adaptation and Fitness In Animal Populations. : Springer Netherlands, 2009.