APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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