APA (7th ed.) Citation

Beçak, M. L., & Beçak, W. (1975). Biologia moderna (2.ed.). Nobel.

Chicago Style (17th ed.) Citation

Beçak, Maria Luiza, and Willy Beçak. Biologia Moderna. 2.ed. São Paulo, SP: Nobel, 1975.

MLA (9th ed.) Citation

Beçak, Maria Luiza, and Willy Beçak. Biologia Moderna. 2.ed. Nobel, 1975.

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