Παραπομπή APA

Bethers, R. (1958). Art always changes: How to understand modern painting. New York: Hastings House.

Παραπομπή Chicago Style

Bethers, Ray. Art Always Changes: How to Understand Modern Painting. New York: Hastings House, 1958.

Παραπομπή MLA

Bethers, Ray. Art Always Changes: How to Understand Modern Painting. New York: Hastings House, 1958.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.