APA (7th ed.) Citation

Petretti, F. Tropical rainforest discovering the green planet. Smithmark.

Chicago Style (17th ed.) Citation

Petretti, Francesco. Tropical Rainforest Discovering the Green Planet. Smithmark.

MLA (8th ed.) Citation

Petretti, Francesco. Tropical Rainforest Discovering the Green Planet. Smithmark.

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