Gaya APA

Johnson, W, H., A, I, L, R. (1965). General biology . New York: New York: Holt, Rinehart and Winston; 1965.

Gaya MLA

Johnson, Willis, H., A, I., Laubengayer,, Richard. "General biology". New York: New York: Holt, Rinehart and Winston; 1965, 1965. Text.