APA-Zitierstil (7. Ausg.)

Willgohs, J. F. (1956). Notes on some birds observed and collected at Utsira 1953. Grieg.

Chicago-Zitierstil (17. Ausg.)

Willgohs, Johan Frederik. Notes on Some Birds Observed and Collected at Utsira 1953. Bergen: Grieg, 1956.

MLA-Zitierstil (9. Ausg.)

Willgohs, Johan Frederik. Notes on Some Birds Observed and Collected at Utsira 1953. Grieg, 1956.