APA Style

Collins , Randall, Spencer, Edgar W.. (). Geologic maps A practical guide to the interpretation and preparation of geologic maps . : .

Chicago Style

Collins , Randall, Spencer, Edgar W.. Geologic maps A practical guide to the interpretation and preparation of geologic maps. : , . .

MLA Style

Collins , Randall, Spencer, Edgar W.. Geologic maps A practical guide to the interpretation and preparation of geologic maps. : , . .

Turabian Style

Collins , Randall, Spencer, Edgar W.. Geologic maps A practical guide to the interpretation and preparation of geologic maps. : , . .