Cita APA (7a ed.)

Robertson, E., & Guy, F. (2017). Arp: The poetry of forms / Eric Robertson, Frances Guy ; Kröller-Müller Museum. Kröller-Müller Museum.

Cita Chicago Style (17a ed.)

Robertson, Eric, y Frances Guy. Arp: The Poetry of Forms / Eric Robertson, Frances Guy ; Kröller-Müller Museum. Otterlo: Kröller-Müller Museum, 2017.

Cita MLA (8a ed.)

Robertson, Eric, y Frances Guy. Arp: The Poetry of Forms / Eric Robertson, Frances Guy ; Kröller-Müller Museum. Kröller-Müller Museum, 2017.