Spencer, H. (1911). Essays on education and kindred subjects. Floating Press.
Citazione stile Chigago Style (17a edizione)Spencer, Herbert. Essays on Education and Kindred Subjects. [Auckland, New Zealand]: Floating Press, 1911.
Citatione MLA (9a ed.)Spencer, Herbert. Essays on Education and Kindred Subjects. Floating Press, 1911.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.