Cytowanie według stylu APA (wyd. 7)

Birg, H., Fritsch, B., & Hösle, V. (1995). Population, Environment and Sustainable Livelihood: Proceedings of Symposion V, Session 2 of the World Congress of Sociology, held at the University of Bielefeld, July 18-23, 1994.

Cytowanie według stylu Chicago (wyd. 17)

Birg, Herwig, Bruno Fritsch, i Vittorio Hösle. Population, Environment and Sustainable Livelihood: Proceedings of Symposion V, Session 2 of the World Congress of Sociology, Held at the University of Bielefeld, July 18-23, 1994. Bielefeld, 1995.

Cytowanie według stylu MLA (wyd. 8)

Birg, Herwig, et al. Population, Environment and Sustainable Livelihood: Proceedings of Symposion V, Session 2 of the World Congress of Sociology, Held at the University of Bielefeld, July 18-23, 1994. 1995.