APA

Sherlock S., . (1972). Progress reports from gut. Londres: Gut B.M.A.House.

Chicago

Sherlock Sheila, . 1972. Progress reports from gut. Londres: Gut B.M.A.House.

Harvard

Sherlock S., . (1972). Progress reports from gut. Londres: Gut B.M.A.House.

MLA

Sherlock Sheila, . Progress reports from gut. Londres: Gut B.M.A.House. 1972.