Cita APA (7th ed.)

Doyle, W. T. (1970). The biology of higher cryptogams. Macmillan.

Cita Chicago (17th ed.)

Doyle, William T. The Biology of Higher Cryptogams. Toronto, Canada: Macmillan, 1970.

Cita MLA (9th ed.)

Doyle, William T. The Biology of Higher Cryptogams. Macmillan, 1970.