APA (7th ed.) Zitazioa

Johnston, R. M. (1903). Conditions Upon which the Healthy Growth of the Population of Young Colonies Depend. Zenodo.

Chicago Style (17th ed.) Zitazioa

Johnston, Robert Mackenzie. Conditions Upon Which the Healthy Growth of the Population of Young Colonies Depend. Zenodo, 1903.

MLA (9th ed.) Zitazioa

Johnston, Robert Mackenzie. Conditions Upon Which the Healthy Growth of the Population of Young Colonies Depend. Zenodo, 1903.