Cita APA (7th ed.)
ebrary, Inc, & Krasny, M. E. (2003). Invasion ecology: Teacher's guide. NSTA Press.
Cita Chicago (17th ed.)
ebrary, Inc, i Marianne E. Krasny. Invasion Ecology: Teacher's Guide. Arlington, Va.: NSTA Press, 2003.
Cita MLA (9th ed.)
ebrary, Inc, i Marianne E. Krasny. Invasion Ecology: Teacher's Guide. NSTA Press, 2003.
Atenció: Aquestes cites poden no estar 100% correctes.