APA način citiranja

FOSTER J ROBERTS. HISTORICAL GEOLOGY. MACMILLIAN PUBLISHING COMPANY.

Čikaški stil citiranja

FOSTER J ROBERTS. HISTORICAL GEOLOGY. MACMILLIAN PUBLISHING COMPANY.

MLA način citiranja

FOSTER J ROBERTS. HISTORICAL GEOLOGY. MACMILLIAN PUBLISHING COMPANY.

Upozorenje: Ovi citati možda nisu uvijek 100% točni.