APA

Johnson S., Alves M. F. r. l. & Reis J. t. (1990). O valor do humor. [Lisboa]: Resomnia.

Chicago

Johnson Spencer, Alves Maria Fernanda rev lit and Reis José trad. 1990. O valor do humor. [Lisboa]: Resomnia.

Harvard

Johnson S., Alves M. F. r. l. and Reis J. t. (1990). O valor do humor. [Lisboa]: Resomnia.

MLA

Johnson Spencer, Alves Maria Fernanda rev lit and Reis José trad. O valor do humor. [Lisboa]: Resomnia. 1990.