Παραπομπή σε μορφή APA (7η εκδ.)

Heizer, M., Oppenheim, D., & Smithson, R. (2012). Discussions woith Willoughby Sharp and Liza Bear of Avalanche. Theories and Documents of Contemporary Art : A Sourcebook of Artists' Writings.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Heizer, Michael, Dennis Oppenheim, και Robert Smithson. "Discussions Woith Willoughby Sharp and Liza Bear of Avalanche." Theories and Documents of Contemporary Art : A Sourcebook of Artists' Writings 2012.

Παραπομπή σε μορφή MLA (8th εκδ.)

Heizer, Michael, et al. "Discussions Woith Willoughby Sharp and Liza Bear of Avalanche." Theories and Documents of Contemporary Art : A Sourcebook of Artists' Writings, 2012.