Cita APA

Beetz, B., Carpenter, S., & Fraden, J. (1967). Investigations for the biology laboratory. California: The National Press.

Chicago Style Citation

Beetz, Brigitta., Samuel Carpenter, i Jules Fraden. Investigations for the Biology Laboratory. California: The National Press, 1967.

Cita MLA

Beetz, Brigitta., Samuel Carpenter, i Jules Fraden. Investigations for the Biology Laboratory. California: The National Press, 1967.