[et.al.], D. S. (1978). Droga. Bertrand.
Chicago Style (17th ed.) Citation[et.al.], Daniel Sampaio... Droga. Bertrand, 1978.
MLA (8th ed.) Citation[et.al.], Daniel Sampaio... Droga. Bertrand, 1978.
Warning: These citations may not always be 100% accurate.