Παραπομπή σε μορφή APA (7η εκδ.)

Needham, J. G. (1913). Natural History of the Farm: A Guide to the Practical Study of the Sources of Our Living in Wild Nature. The Comstock publishing company.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Needham, James G. Natural History of the Farm: A Guide to the Practical Study of the Sources of Our Living in Wild Nature. Ithaca, N.Y.: The Comstock publishing company, 1913.

Παραπομπή σε μορφή MLA (9th εκδ.)

Needham, James G. Natural History of the Farm: A Guide to the Practical Study of the Sources of Our Living in Wild Nature. The Comstock publishing company, 1913.