APA

Carr N. G., Whitton B. A. & Carr N. G. (1973). The biology of blue-green algae. Oxford [u.a.]: Blackwell.

Chicago

Carr Nicolas G, Whitton Brian A and Carr Noel G. 1973. The biology of blue-green algae. Oxford [u.a.]: Blackwell.

Harvard

Carr N. G., Whitton B. A. and Carr N. G. (1973). The biology of blue-green algae. Oxford [u.a.]: Blackwell.

MLA

Carr Nicolas G, Whitton Brian A and Carr Noel G. The biology of blue-green algae. Oxford [u.a.]: Blackwell. 1973.