APA (7th ed.) Citation

Summerhayes, V. S. (1968). Wild orchids of Britain with a key to the species: With 61 photographs in colour by Robert Atkinson a. o., 39 photographs in black and white, 19 text fig. and 43 distribution maps (2. ed.). Collins.

Chicago Style (17th ed.) Citation

Summerhayes, Victor S. Wild Orchids of Britain with a Key to the Species: With 61 Photographs in Colour by Robert Atkinson a. O., 39 Photographs in Black and White, 19 Text Fig. and 43 Distribution Maps. 2. ed. London: Collins, 1968.

MLA (9th ed.) Citation

Summerhayes, Victor S. Wild Orchids of Britain with a Key to the Species: With 61 Photographs in Colour by Robert Atkinson a. O., 39 Photographs in Black and White, 19 Text Fig. and 43 Distribution Maps. 2. ed. Collins, 1968.