APA (7e ed.) Bronvermelding

Heartney, E. (1997). Alan Sonfist: History and the Landscape / Text by Eleanor Heartney ; Organized by Stephen Prokopoff.

Chicago (17e ed.) Bronvermelding

Heartney, Eleanor. Alan Sonfist: History and the Landscape / Text by Eleanor Heartney ; Organized by Stephen Prokopoff. Iowa City, 1997.

MLA (8e ed.) Bronvermelding

Heartney, Eleanor. Alan Sonfist: History and the Landscape / Text by Eleanor Heartney ; Organized by Stephen Prokopoff. 1997.