Cita APA

Proctor, M. C. F. 1., & Yeo, P. F. 1. (1973). The pollination of flowers. London: Collins.

Citación estilo Chicago

Proctor, Michael Charles Faraday 1929-2017, y Peter Frederick 1929-2010 Yeo. The Pollination of Flowers. London: Collins, 1973.

Cita MLA

Proctor, Michael Charles Faraday 1929-2017, y Peter Frederick 1929-2010 Yeo. The Pollination of Flowers. London: Collins, 1973.