APA-Zitierstil (7. Ausg.)

Graber, J. W., & Graber, R. R. (1976). Environmental evaluations using birds and their habitats. State of Illinois, Dept. of Registration and Education, Natural History Survey Division.

Chicago-Zitierstil (17. Ausg.)

Graber, Jean W., und Richard R. Graber. Environmental Evaluations Using Birds and Their Habitats. Urbana: State of Illinois, Dept. of Registration and Education, Natural History Survey Division, 1976.

MLA-Zitierstil (9. Ausg.)

Graber, Jean W., und Richard R. Graber. Environmental Evaluations Using Birds and Their Habitats. State of Illinois, Dept. of Registration and Education, Natural History Survey Division, 1976.