Gaya APA

Bentson,Herdis, K, A, . (1944). Check List of California Tertiary Marine Mollusca . California: Waverly Press,Inc..

Gaya MLA

Bentson,Herdis, Keen,A.Myra, And, . "Check List of California Tertiary Marine Mollusca". California: Waverly Press,Inc., 1944. Text.