APA Citation

Pietra, F. (1990). A secret world: Natural products of marine life. Basel: Birkhauser Verlag.

Chicago Style Citation

Pietra, Francesco. A Secret World: Natural Products of Marine Life. Basel: Birkhauser Verlag, 1990.

MLA Citation

Pietra, Francesco. A Secret World: Natural Products of Marine Life. Basel: Birkhauser Verlag, 1990.

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