APA

Prescott G. W., . (1964). How to know the fresh-water algae: an illustrated key for identifying the more common fresh-water algae to genus, with hundreds of species named and pictured and with numerous aids for their study. Dubuque, Iowa: W. C. Brown Co.

Chicago

Prescott G W, . 1964. How to know the fresh-water algae: an illustrated key for identifying the more common fresh-water algae to genus, with hundreds of species named and pictured and with numerous aids for their study. Dubuque, Iowa: W. C. Brown Co.

Harvard

Prescott G. W., . (1964). How to know the fresh-water algae: an illustrated key for identifying the more common fresh-water algae to genus, with hundreds of species named and pictured and with numerous aids for their study. Dubuque, Iowa: W. C. Brown Co.

MLA

Prescott G W, . How to know the fresh-water algae: an illustrated key for identifying the more common fresh-water algae to genus, with hundreds of species named and pictured and with numerous aids for their study. Dubuque, Iowa: W. C. Brown Co. 1964.