APA (7th ed.) Citation

Spencer, H. (1968). The visible word (2. vyd.). The Royal College of Art.

Chicago Style (17th ed.) Citation

Spencer, Herbert. The Visible Word. 2. vyd. London: The Royal College of Art, 1968.

MLA (9th ed.) Citation

Spencer, Herbert. The Visible Word. 2. vyd. The Royal College of Art, 1968.

Warning: These citations may not always be 100% accurate.