(1969). Geology of selected areas in New Jersey and Eastern: Pennsylvania and guidebook of excursions. Rutgers University Pr.
Chicago-viite (17. p.)Geology of Selected Areas in New Jersey and Eastern: Pennsylvania and Guidebook of Excursions. New Brunswick: Rutgers University Pr, 1969.
MLA-viite (9. p.)Geology of Selected Areas in New Jersey and Eastern: Pennsylvania and Guidebook of Excursions. Rutgers University Pr, 1969.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.