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.