Cita APA (7a ed.)

Butt, F. H. (1941). Embriology of insects and Myriapods. McGraw-Hill.

Cita Chicago Style (17a ed.)

Butt, Ferdinand H. Embriology of Insects and Myriapods. New York - USA: McGraw-Hill, 1941.

Cita MLA (8a ed.)

Butt, Ferdinand H. Embriology of Insects and Myriapods. McGraw-Hill, 1941.