Gaya APA

Swanson, C, P., Muller, W, H. (1974). Botany a functional approach . New York: New York: McMillan; 1974.

Gaya MLA

Swanson, Carl, P.., Muller, Walter, H.. "Botany a functional approach". New York: New York: McMillan; 1974, 1974. Text.