APA

Weimer B. R., Core E. L. & Clarkson R. B. (1961). A new manual for the biology laboratory. New York: John Wiley.

Chicago

Weimer Bernal R, Core Earl L and Clarkson Roy B. 1961. A new manual for the biology laboratory. New York: John Wiley.

Harvard

Weimer B. R., Core E. L. and Clarkson R. B. (1961). A new manual for the biology laboratory. New York: John Wiley.

MLA

Weimer Bernal R, Core Earl L and Clarkson Roy B. A new manual for the biology laboratory. New York: John Wiley. 1961.