APA

Edwards R. G., Purdy J. M., . (1982). Human conception in vitro: proceedings of the first Bourn Hall meeting. London: Academic Press.

Chicago

Edwards R G, Purdy Jean M, . 1982. Human conception in vitro: proceedings of the first Bourn Hall meeting. London: Academic Press.

Harvard

Edwards R. G., Purdy J. M., . (1982). Human conception in vitro: proceedings of the first Bourn Hall meeting. London: Academic Press.

MLA

Edwards R G, Purdy Jean M, . Human conception in vitro: proceedings of the first Bourn Hall meeting. London: Academic Press. 1982.