APA (7th ed.) Citation

Amaral, A. M. d. (1973). Pedro Amaral Botto Machado. [S.N.].

Chicago Style (17th ed.) Citation

Amaral, Abilio Mendes do. Pedro Amaral Botto Machado. [S.N.], 1973.

MLA (8th ed.) Citation

Amaral, Abilio Mendes do. Pedro Amaral Botto Machado. [S.N.], 1973.

Warning: These citations may not always be 100% accurate.