APA (7a ed.)

Fischer, S., Maurer, H. P., Würschum, T., Möhring, J., Piepho, H., Schön, C. C., Thiemt, E., Dhillon, B. S., Weissmann, E. a., Melchinger, A. e., & Reif, J. C. (2010). Development of heterotic groups in triticale / S. Fischer ... [et al.]. Crop Science, 50(2).