APA (7th ed.) Citation

Wollheim, R. (1968). Art and its objects : an introduction to aesthetics / by R. Wollheim: An introduction to aesthetics. Harper and Row.

Chicago Style (17th ed.) Citation

Wollheim, Richard. Art and Its Objects : An Introduction to Aesthetics / by R. Wollheim: An Introduction to Aesthetics. London: Harper and Row, 1968.

MLA (9th ed.) Citation

Wollheim, Richard. Art and Its Objects : An Introduction to Aesthetics / by R. Wollheim: An Introduction to Aesthetics. Harper and Row, 1968.

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