Gaya APA

Griffin, R, D., Vadala, C. (1986). The Biology cology book / Robert D. Griffin; illustrated by Cinthea Vadala . New York: Harper Perennial.

Gaya MLA

Griffin, Robert, D.., Vadala, Cinthea. "The Biology cology book / Robert D. Griffin; illustrated by Cinthea Vadala". New York: Harper Perennial, 1986. Textbook.