Gaya APA

Tomas, C, R. (1993). Marine phytoplankton : a guide to naked flagellates and coccolithophorids . California: Academic Press, Inc..

Gaya MLA

Tomas, Carmelo, R.. "Marine phytoplankton : a guide to naked flagellates and coccolithophorids". California: Academic Press, Inc., 1993. e-book.