Παραπομπή σε μορφή APA (7η εκδ.)

Karssen, C. M., Van Loon, L. C. v., & Vreugdenhil, D. (1992). Progress in plant growth regulation: Proceedings of the 14th International Conference on Plant Growth Substances, Amsterdam, 21-26 July 1991. Kluwer Academic Publishers.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Karssen, C. M., L. C. van Van Loon, και D. Vreugdenhil. Progress in Plant Growth Regulation: Proceedings of the 14th International Conference on Plant Growth Substances, Amsterdam, 21-26 July 1991. Dordrecht: Kluwer Academic Publishers, 1992.

Παραπομπή σε μορφή MLA (8th εκδ.)

Karssen, C. M., et al. Progress in Plant Growth Regulation: Proceedings of the 14th International Conference on Plant Growth Substances, Amsterdam, 21-26 July 1991. Kluwer Academic Publishers, 1992.