Cretaceous stratigraphy of the Santa Monica Mountains and Simi Hills, southern California :
geological guidebook for the 1973 Fall field trip of the Pacific Section of the Society of Economic Paleontologists and Mineralogists, October 27, 1973.

APA Citation

Popenoe, W. P. (Willis Parkison)., Society of Economic Paleontologists and Mineralogists. Pacific Section. (1973). Cretaceous stratigraphy of the Santa Monica Mountains and Simi Hills, southern California: geological guidebook for the 1973 Fall field trip of the Pacific Section of the Society of Economic Paleontologists and Mineralogists, October 27, 1973. [Los Angeles]: [Don Hallinger].

MLA Citation

Popenoe, W. P. (Willis Parkison), 1897-, and Society of Economic Paleontologists and Mineralogists. Pacific Section. Cretaceous Stratigraphy of the Santa Monica Mountains And Simi Hills, Southern California: Geological Guidebook for the 1973 Fall Field Trip of the Pacific Section of the Society of Economic Paleontologists And Mineralogists, October 27, 1973. [Los Angeles]: [Don Hallinger], 1973.

Warning: These citations may not always be complete (especially for serials).